Fixes #6774: Cancel hover operations when hover widgets get disposed

src/vs/editor/contrib/hover/browser/modesContentHover.ts

@@ -144,6 +144,11 @@ export class ModesContentHoverWidget extends ContentHoverWidget {
 		);
 	}
 
+	public dispose(): void {
+		this._hoverOperation.cancel();
+		super.dispose();
+	}
+
 	public onModelDecorationsChanged(): void {
 		if (this._isChangingDecorations) {
 			return;

src/vs/editor/contrib/hover/browser/modesGlyphHover.ts

@@ -93,6 +93,11 @@ export class ModesGlyphHoverWidget extends GlyphHoverWidget {
 
 	}
 
+	public dispose(): void {
+		this._hoverOperation.cancel();
+		super.dispose();
+	}
+
 	public onModelDecorationsChanged(): void {
 		if (this._isVisible) {
 			// The decorations have changed and the hover is visible,