Merge pull request #179596 from weartist/fix_terminal_task_icon_not_u…

…pdate

fix #179337 Task icon for terminal tab entry does not update with task label when terminal is reused

src/vs/workbench/contrib/terminal/browser/terminalInstance.ts

@@ -1414,6 +1414,8 @@ export class TerminalInstance extends Disposable implements ITerminalInstance {
 					this._initialCwd = value;
 					this._cwd = this._initialCwd;
 					this._setTitle(this.title, TitleEventSource.Config);
+					this._icon = this._shellLaunchConfig.attachPersistentProcess?.icon || this._shellLaunchConfig.icon;
+					this._onIconChanged.fire({ instance: this, userInitiated: false });
 					break;
 				case ProcessPropertyType.Title:
 					this._setTitle(value ?? '', TitleEventSource.Process);