Greyscreen fix

src/integrations/editor/DiffViewProvider.ts

@@ -352,7 +352,9 @@ export class DiffViewProvider {
 	}
 
 	// close editor if open?
-	async reset() {
+		async reset() {
+		// Ensure any diff views opened by this provider are closed to release memory
+		await this.closeAllDiffViews();
 		this.editType = undefined
 		this.isEditing = false
 		this.originalContent = undefined