feat: reduce max tablet MQ size (#10669)

* feat: reduce max tablet MQ size

* replace UIOptions.formFactor with getFormFactor

packages/excalidraw/components/App.tsx

@@ -2780,7 +2780,7 @@ class App extends React.Component<AppProps, AppState> {
 
   private getFormFactor = (editorWidth: number, editorHeight: number) => {
     return (
-      this.props.UIOptions.formFactor ??
+      this.props.UIOptions.getFormFactor?.(editorWidth, editorHeight) ??
       getFormFactor(editorWidth, editorHeight)
     );
   };
@@ -2804,10 +2804,7 @@ class App extends React.Component<AppProps, AppState> {
         ? this.props.UIOptions.dockedSidebarBreakpoint
         : MQ_RIGHT_SIDEBAR_MIN_WIDTH;
     const nextEditorInterface = updateObject(this.editorInterface, {
-      desktopUIMode:
-        this.props.UIOptions.desktopUIMode ??
-        storedDesktopUIMode ??
-        this.editorInterface.desktopUIMode,
+      desktopUIMode: storedDesktopUIMode ?? this.editorInterface.desktopUIMode,
       formFactor: this.getFormFactor(editorWidth, editorHeight),
       userAgent: userAgentDescriptor,
       canFitSidebar: editorWidth > sidebarBreakpoint,