Add back hideHover and use on tree context menu show

Fixes #106268

src/vs/workbench/contrib/views/browser/treeView.ts

@@ -113,6 +113,7 @@ export class TreeView extends Disposable implements ITreeView {
 		@IKeybindingService private readonly keybindingService: IKeybindingService,
 		@INotificationService private readonly notificationService: INotificationService,
 		@IViewDescriptorService private readonly viewDescriptorService: IViewDescriptorService,
+		@IHoverService private readonly hoverService: IHoverService,
 		@IContextKeyService contextKeyService: IContextKeyService
 	) {
 		super();
@@ -434,6 +435,7 @@ export class TreeView extends Disposable implements ITreeView {
 	}
 
 	private onContextMenu(treeMenus: TreeMenus, treeEvent: ITreeContextMenuEvent<ITreeItem>, actionRunner: MultipleSelectionActionRunner): void {
+		this.hoverService.hideHover();
 		const node: ITreeItem | null = treeEvent.element;
 		if (node === null) {
 			return;
@@ -1026,7 +1028,7 @@ export class CustomTreeView extends TreeView {
 		@IHoverService hoverService: IHoverService,
 		@IExtensionService private readonly extensionService: IExtensionService,
 	) {
-		super(id, title, themeService, instantiationService, commandService, configurationService, progressService, contextMenuService, keybindingService, notificationService, viewDescriptorService, contextKeyService);
+		super(id, title, themeService, instantiationService, commandService, configurationService, progressService, contextMenuService, keybindingService, notificationService, viewDescriptorService, hoverService, contextKeyService);
 	}
 
 	setVisibility(isVisible: boolean): void {

src/vs/workbench/services/hover/browser/hover.ts

@@ -30,6 +30,11 @@ export interface IHoverService {
 	 * ```
 	 */
 	showHover(options: IHoverOptions, focus?: boolean): IDisposable | undefined;
+
+	/**
+	 * Hides the hover if it was visible.
+	 */
+	hideHover(): void;
 }
 
 export interface IHoverOptions {

src/vs/workbench/services/hover/browser/hoverService.ts

@@ -47,6 +47,14 @@ export class HoverService implements IHoverService {
 		return hover;
 	}
 
+	hideHover(): void {
+		if (!this._currentHoverOptions) {
+			return;
+		}
+		this._currentHoverOptions = undefined;
+		this._contextViewService.hideContextView();
+	}
+
 	private _intersectionChange(entries: IntersectionObserverEntry[], hover: IDisposable): void {
 		const entry = entries[entries.length - 1];
 		if (!entry.isIntersecting) {