fix tool disabling for docs and others (#5722)

# Description of Changes

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- Why the change was made
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Closes #(issue_number)
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## 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/devGuide/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/devGuide/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/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### 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/devGuide/DeveloperGuide.md#6-testing)
for more details.

app/core/src/main/java/stirling/software/SPDF/controller/api/misc/ConfigController.java

@@ -153,6 +153,14 @@ public class ConfigController {
             configData.put("logoStyle", applicationProperties.getUi().getLogoStyle());
             configData.put("defaultLocale", applicationProperties.getSystem().getDefaultLocale());
 
+            // User preference defaults
+            configData.put(
+                    "defaultHideUnavailableTools",
+                    applicationProperties.getUi().isDefaultHideUnavailableTools());
+            configData.put(
+                    "defaultHideUnavailableConversions",
+                    applicationProperties.getUi().isDefaultHideUnavailableConversions());
+
             // Security settings
             // enableLogin requires both the config flag AND proprietary features to be loaded
             // If userService is null, proprietary module isn't loaded

app/core/src/main/resources/settings.yml.template

@@ -230,10 +230,12 @@ ui:
   appNameNavbar: "" # name displayed on the navigation bar
   logoStyle: classic # Options: 'classic' (default - classic S icon) or 'modern' (minimalist logo)
   languages: [] # If empty, all languages are enabled. To display only German and Polish ["de_DE", "pl_PL"]. British English is always enabled.
+  defaultHideUnavailableTools: false # Default user preference: hide disabled tools instead of greying them out
+  defaultHideUnavailableConversions: false # Default user preference: hide disabled conversion options instead of greying them out
 
 endpoints:
   toRemove: [] # list endpoints to disable (e.g. ['img-to-pdf', 'remove-pages'])
-  groupsToRemove: [] # list groups to disable (e.g. ['LibreOffice'])
+  groupsToRemove: [] # list groups to disable (e.g. ['LibreOffice', 'DeveloperTools', 'DeveloperDocs', 'Automation'])
 
 metrics:
   enabled: true # 'true' to enable Info APIs (`/api/*`) endpoints, 'false' to disable