Improve search UI and fix icon issues (#3192)

# Description of Changes

Please provide a summary of the changes, including:

Searchbar was not compatible with new SVG icons and was monochrome.
Brought in line with design language and fixed bugs

![image](https://github.com/user-attachments/assets/2e9be7b1-3f5f-430a-8063-8163ad05d30c)


Closes #(issue_number)

---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#6-testing)
for more details.

Co-authored-by: Reece Browne <reece@stirling.pdf>

src/main/resources/static/css/theme/componentes.css

@@ -877,6 +877,7 @@ textarea.form-control {
   margin: 0 1%;
   padding: 1.5rem 0;
   border-radius: 1rem;
+  min-width: 20rem;
   color: var(--md-sys-color-on-surface);
   background-color: var(--md-sys-color-surface-container);
   border: 1px solid var(--md-sys-color-surface-5);

src/main/resources/static/js/search.js

@@ -25,51 +25,56 @@ window.onload = function () {
   window.navItemMaxWidth = maxWidth;
 };
 
-// Show search results as user types in search box
 document.querySelector("#navbarSearchInput").addEventListener("input", function (e) {
-  var searchText = e.target.value.trim().toLowerCase(); // Trim whitespace and convert to lowercase
-  var items = document.querySelectorAll('a.dropdown-item[data-bs-tags]');
+  var searchText = e.target.value.trim().toLowerCase();
+  var items = document.querySelectorAll("a.dropdown-item[data-bs-tags]");
   var resultsBox = document.querySelector("#searchResults");
 
-  // Clear any previous results
   resultsBox.innerHTML = "";
+
   if (searchText !== "") {
-  items.forEach(function (item) {
-    var titleElement = item.querySelector(".icon-text");
-    var iconElement = item.querySelector(".material-symbols-rounded, .icon");
-    var itemHref = item.getAttribute("href");
-    var tags = item.getAttribute("data-bs-tags") || ""; // If no tags, default to empty string
+    var addedResults = new Set();
+    
+    items.forEach(function (item) {
+      var titleElement = item.querySelector(".icon-text");
+      var iconElement = item.querySelector(".material-symbols-rounded, .icon");
+      var itemHref = item.getAttribute("href");
+      var tags = item.getAttribute("data-bs-tags") || "";
 
       if (titleElement && iconElement && itemHref !== "#") {
-        var title = titleElement.innerText;
+        var title = titleElement.innerText.trim();
+
         if (
-          (title.toLowerCase().indexOf(searchText) !== -1 || tags.toLowerCase().indexOf(searchText) !== -1) &&
-          !resultsBox.querySelector(`a[href="${itemHref}"]`)
+          (title.toLowerCase().includes(searchText) || tags.toLowerCase().includes(searchText)) &&
+          !addedResults.has(itemHref)
         ) {
-          var result = document.createElement("a");
-          result.href = itemHref;
-          result.classList.add("dropdown-item");
+          var dropdownItem = document.createElement("div");
+          dropdownItem.className = "dropdown-item d-flex justify-content-between align-items-center";
+          
+          var contentWrapper = document.createElement("div");
+          contentWrapper.className = "d-flex align-items-center flex-grow-1";
+          contentWrapper.style.textDecoration = "none";
+          contentWrapper.style.color = "inherit";
+          
+          var originalContent = item.querySelector("div").cloneNode(true);
+          contentWrapper.appendChild(originalContent);
+          
+          contentWrapper.onclick = function () {
+            window.location.href = itemHref;
+          };
 
-        var resultIcon = document.createElement("span");
-        resultIcon.classList.add("material-symbols-rounded");
-        resultIcon.textContent = iconElement.textContent;
-        result.appendChild(resultIcon);
-
-          var resultText = document.createElement("span");
-          resultText.textContent = title;
-          resultText.classList.add("icon-text");
-          result.appendChild(resultText);
-
-          resultsBox.appendChild(result);
+          dropdownItem.appendChild(contentWrapper);
+          resultsBox.appendChild(dropdownItem);
+          addedResults.add(itemHref);
         }
       }
     });
   }
 
-  // Set the width of the search results box to the maximum width
   resultsBox.style.width = window.navItemMaxWidth + "px";
 });
 
+
 const searchDropdown = document.getElementById('searchDropdown');
 const searchInput = document.getElementById('navbarSearchInput');
 const dropdownMenu = searchDropdown.querySelector('.dropdown-menu');