feat: enhance Organizations page with live refresh and fix repository breakdown bug

- Add live refresh functionality to Organizations page using the same pattern as Repositories and Activity Log pages
- Fix repository breakdown bug where public/private/fork counts disappeared after toggling mirroring
- Change toggle text from 'Include in mirroring' to 'Enable mirroring' for better clarity
- Automatically refresh organization data after mirroring starts to maintain breakdown visibility
- Clean up unused imports and variables for better code quality

src/components/organizations/OrganizationsList.tsx

@@ -172,7 +172,7 @@ export function OrganizationList({
                   htmlFor={`include-${org.id}`}
                   className="ml-2 text-sm select-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70"
                 >
-                  Include in mirroring
+                  Enable mirroring
                 </label>
 
                 {isLoading && (