zen mode: To properly reset line numbers we need to read the configuration for...

zen mode: To properly reset line numbers we need to read the configuration for each editor respecting it's uri.

fixes #78545

src/vs/workbench/browser/layout.ts

@@ -34,6 +34,7 @@ import { Part } from 'vs/workbench/browser/part';
 import { IStatusbarService } from 'vs/platform/statusbar/common/statusbar';
 import { IActivityBarService } from 'vs/workbench/services/activityBar/browser/activityBarService';
 import { IFileService } from 'vs/platform/files/common/files';
+import { isCodeEditor } from 'vs/editor/browser/editorBrowser';
 
 enum Settings {
 	MENUBAR_VISIBLE = 'window.menuBarVisibility',
@@ -578,7 +579,15 @@ export abstract class Layout extends Disposable implements IWorkbenchLayoutServi
 		this.state.zenMode.active = !this.state.zenMode.active;
 		this.state.zenMode.transitionDisposables.clear();
 
-		const setLineNumbers = (lineNumbers: any) => this.editorService.visibleTextEditorWidgets.forEach(editor => editor.updateOptions({ lineNumbers }));
+		const setLineNumbers = (lineNumbers?: any) => this.editorService.visibleTextEditorWidgets.forEach(editor => {
+			// To properly reset line numbers we need to read the configuration for each editor respecting it's uri.
+			if (!lineNumbers && isCodeEditor(editor) && editor.hasModel()) {
+				const model = editor.getModel();
+				this.configurationService.getValue('editor.lineNumbers', { resource: model.uri });
+			} else {
+				editor.updateOptions({ lineNumbers });
+			}
+		});
 
 		// Check if zen mode transitioned to full screen and if now we are out of zen mode
 		// -> we need to go out of full screen (same goes for the centered editor layout)
@@ -641,7 +650,7 @@ export abstract class Layout extends Disposable implements IWorkbenchLayoutServi
 				this.centerEditorLayout(false, true);
 			}
 
-			setLineNumbers(this.configurationService.getValue('editor.lineNumbers'));
+			setLineNumbers();
 
 			// Status bar and activity bar visibility come from settings -> update their visibility.
 			this.doUpdateLayoutConfiguration(true);