Force reset to use sync render

Fixes #5184

src/browser/CoreBrowserTerminal.ts

@@ -847,8 +847,8 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
    * @param start The row to start from (between 0 and this.rows - 1).
    * @param end The row to end at (between start and this.rows - 1).
    */
-  public refresh(start: number, end: number): void {
+  public refresh(start: number, end: number, sync: boolean = false): void {
-    this._renderService?.refreshRows(start, end);
+    this._renderService?.refreshRows(start, end, sync);
   }
 
   /**
@@ -1281,7 +1281,7 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
     this._customKeyEventHandler = customKeyEventHandler;
 
     // do a full screen refresh
-    this.refresh(0, this.rows - 1);
+    this.refresh(0, this.rows - 1, true);
   }
 
   public clearTextureAtlas(): void {

src/browser/services/RenderService.ts

@@ -111,7 +111,7 @@ export class RenderService extends Disposable implements IRenderService {
     this._register(this._optionsService.onMultipleOptionChange([
       'cursorBlink',
       'cursorStyle'
-    ], () => this.refreshRows(bufferService.buffer.y, bufferService.buffer.y, true)));
+    ], () => this.refreshRows(bufferService.buffer.y, bufferService.buffer.y, undefined, true)));
 
     this._register(themeService.onChangeColors(() => this._fullRefresh()));
 
@@ -144,7 +144,7 @@ export class RenderService extends Disposable implements IRenderService {
     }
   }
 
-  public refreshRows(start: number, end: number, isRedrawOnly: boolean = false, sync: boolean = false): void {
+  public refreshRows(start: number, end: number, sync: boolean = false, isRedrawOnly: boolean = false): void {
     if (this._isPaused) {
       this._needsFullRefresh = true;
       return;
@@ -239,7 +239,7 @@ export class RenderService extends Disposable implements IRenderService {
     this._renderer.value = renderer;
     // If the value was not set, the terminal is being disposed so ignore it
     if (this._renderer.value) {
-      this._renderer.value.onRequestRedraw(e => this.refreshRows(e.start, e.end, true, e.sync));
+      this._renderer.value.onRequestRedraw(e => this.refreshRows(e.start, e.end, e.sync, true));
 
       // Force a refresh
       this._needsSelectionRefresh = true;

src/browser/services/Services.ts

@@ -77,7 +77,7 @@ export interface IRenderService extends IDisposable {
 
   addRefreshCallback(callback: FrameRequestCallback): number;
 
-  refreshRows(start: number, end: number): void;
+  refreshRows(start: number, end: number, sync?: boolean): void;
   clearTextureAtlas(): void;
   resize(cols: number, rows: number): void;
   hasRenderer(): boolean;