fix persistent search cache and library cache issues

src/App.tsx

@@ -391,7 +391,7 @@ function App() {
   const [activePage, setActivePage] = useState<MediaSection | 'settings' | 'downloads'>(() => getInitialActivePage())
   const [mobileSidebarOpen, setMobileSidebarOpen] = useState(false)
   const [desktopSidebarOpen, setDesktopSidebarOpen] = useState(true)
-  const [libraryQuery, setLibraryQuery] = useState(initialUiPreferences.libraryQuery)
+  const [libraryQuery, setLibraryQuery] = useState('')
   const [libraryDisplayMode, setLibraryDisplayMode] = useState(initialUiPreferences.libraryDisplayMode)
   const [appThemeId, setAppThemeId] = useState(initialUiPreferences.appTheme)
   const [libraryPrimaryAction, setLibraryPrimaryAction] = useState<LibraryPrimaryAction>(initialUiPreferences.libraryPrimaryAction)
@@ -492,10 +492,6 @@ function App() {
     }
   }, [activePage])
 
-  useEffect(() => {
-    saveUiPreferences({ libraryQuery })
-  }, [libraryQuery])
-
   const getPreferredExternalPlayer = useCallback((track: Track): ExternalPlayerTarget => {
     if (isAppleMobileOrTablet) {
       return {