Scroll lock chat session editors (microsoft#264792)

fix microsoft#264602

Author: joshspicer

src/vs/workbench/contrib/chat/browser/chatWidget.ts

@@ -2191,7 +2191,7 @@ export class ChatWidget extends Disposable implements IChatWidget {
 
 		if (this.viewModel) {
 			this._onDidAcceptInput.fire();
-			this.scrollLock = !!checkModeOption(this.input.currentModeKind, this.viewOptions.autoScroll);
+			this.scrollLock = this.isLockedToCodingAgent || !!checkModeOption(this.input.currentModeKind, this.viewOptions.autoScroll);
 
 			const editorValue = this.getInput();
 			const requestId = this.chatAccessibilityService.acceptRequest();