feat(core): prevent the floating sidebar from showing immediately after the sidebar is closed (#8531)

close PD-1763

https://github.com/user-attachments/assets/a8346098-5f87-4297-bdb6-885f5486ce78

packages/frontend/core/src/modules/app-sidebar/entities/app-sidebar.ts

@@ -36,6 +36,11 @@ export class AppSidebar extends Entity {
    */
   hovering$ = new LiveData<boolean>(false);
 
+  /**
+   * prevent it from setting hovering once when the sidebar is closed
+   */
+  preventHovering$ = new LiveData<boolean>(false);
+
   /**
    * small screen mode, will disable hover effect
    */
@@ -63,6 +68,10 @@ export class AppSidebar extends Entity {
     this.hovering$.next(hoverFloating);
   };
 
+  setPreventHovering = (preventHovering: boolean) => {
+    this.preventHovering$.next(preventHovering);
+  };
+
   setResizing = (resizing: boolean) => {
     this.resizing$.next(resizing);
   };

packages/frontend/core/src/modules/app-sidebar/views/sidebar-header/sidebar-switch.tsx

@@ -16,15 +16,30 @@ export const SidebarSwitch = ({
 }) => {
   const appSidebarService = useService(AppSidebarService).sidebar;
   const open = useLiveData(appSidebarService.open$);
+  const preventHovering = useLiveData(appSidebarService.preventHovering$);
+  const timeoutRef = useRef<NodeJS.Timeout | null>(null);
   const switchRef = useRef<HTMLDivElement>(null);
 
   const handleMouseEnter = useCallback(() => {
+    if (open || preventHovering) {
+      return;
+    }
     appSidebarService.setHovering(true);
-  }, [appSidebarService]);
+  }, [appSidebarService, open, preventHovering]);
 
   const handleClickSwitch = useCallback(() => {
+    if (timeoutRef.current) {
+      clearTimeout(timeoutRef.current);
+    }
+    if (open) {
+      timeoutRef.current = setTimeout(() => {
+        appSidebarService.setPreventHovering(false);
+      }, 500);
+    }
+
+    appSidebarService.setPreventHovering(true);
     appSidebarService.toggleSidebar();
-  }, [appSidebarService]);
+  }, [appSidebarService, open]);
 
   const t = useI18n();
   const tooltipContent = open