Feature/v2/filemanagerimprovements (#4243)

- Select all/deselect all
- Delete Selected
- Download  Selected
- Recent file delete -> menu button with drop down for delete and
download
- Shift click selection added
<img width="1220" height="751"
alt="{330DF96D-7040-4CCB-B089-523F370E3185}"
src="https://github.com/user-attachments/assets/976e42cc-2124-4e62-83a8-25f184e8da3b"
/>
<img width="1160" height="749"
alt="{2D2F4876-7D35-45C3-B0CD-3127EEEEF7B5}"
src="https://github.com/user-attachments/assets/6879a174-a135-41f4-a876-984e7c2f96e2"
/>

---------

Co-authored-by: Connor Yoh <connor@stirlingpdf.com>

frontend/src/theme/mantineTheme.ts

@@ -191,6 +191,19 @@ export const mantineTheme = createTheme({
         },
       },
     },
+    Tooltip: {
+      styles: {
+        tooltip: {
+          backgroundColor: 'var( --tooltip-title-bg)',
+          color: 'var( --tooltip-title-color)',
+          border: '1px solid var(--tooltip-borderp)',
+          fontSize: '0.75rem',
+          fontWeight: '500',
+          boxShadow: 'var(--shadow-md)',
+          borderRadius: 'var(--radius-sm)',
+        },
+      },
+    },
 
     Checkbox: {
       styles: {