reveal content widget when outside view port (microsoft#208405)

re microsoft/vscode-copilot#4599

Author: jrieken

src/vs/workbench/contrib/inlineChat/browser/inlineChatContentWidget.ts

@@ -19,6 +19,7 @@ import { ChatWidget } from 'vs/workbench/contrib/chat/browser/chatWidget';
 import { ChatAgentLocation } from 'vs/workbench/contrib/chat/common/chatAgents';
 import { editorBackground, editorForeground, inputBackground } from 'vs/platform/theme/common/colorRegistry';
 import { ChatModel } from 'vs/workbench/contrib/chat/common/chatModel';
+import { Range } from 'vs/editor/common/core/range';
 
 export class InlineChatContentWidget implements IContentWidget {
 
@@ -158,6 +159,7 @@ export class InlineChatContentWidget implements IContentWidget {
 			this._visible = true;
 			this._focusNext = true;
 
+			this._editor.revealRangeNearTopIfOutsideViewport(Range.fromPositions(position));
 			this._widget.inputEditor.setValue('');
 
 			const wordInfo = this._editor.getModel()?.getWordAtPosition(position);