PR titles cropped unnecessa... (#8466)

Fixes #8453

Author: alexr00

src/common/settingKeys.ts

@@ -94,6 +94,7 @@ export const OPEN_VIEW = 'openView';
 // Workbench
 export const WORKBENCH = 'workbench';
 export const COLOR_THEME = 'colorTheme';
+export const LIST_HORIZONTAL_SCROLLING = 'list.horizontalScrolling';
 
 // Chat
 export const CHAT_SETTINGS_NAMESPACE = 'chat';

src/view/treeNodes/pullRequestNode.ts

@@ -10,7 +10,7 @@ import { COPILOT_ACCOUNTS } from '../../common/comment';
 import { getCommentingRanges } from '../../common/commentingRanges';
 import { InMemFileChange, SlimFileChange } from '../../common/file';
 import Logger from '../../common/logger';
-import { FILE_LIST_LAYOUT, PR_SETTINGS_NAMESPACE, SHOW_PULL_REQUEST_NUMBER_IN_TREE } from '../../common/settingKeys';
+import { FILE_LIST_LAYOUT, LIST_HORIZONTAL_SCROLLING, PR_SETTINGS_NAMESPACE, SHOW_PULL_REQUEST_NUMBER_IN_TREE, WORKBENCH } from '../../common/settingKeys';
 import { createPRNodeUri, DataUri, fromPRUri, Schemes } from '../../common/uri';
 import { FolderRepositoryManager } from '../../github/folderRepositoryManager';
 import { CopilotWorkingStatus } from '../../github/githubRepository';
@@ -323,7 +323,8 @@ export class PRNode extends TreeNode implements vscode.CommentingRangeProvider2
 			label += `#${number}: `;
 		}
 
-		let labelTitle = title.length > 50 ? `${title.substring(0, 50)}...` : title;
+		const horizontalScrolling = vscode.workspace.getConfiguration(WORKBENCH).get<boolean>(LIST_HORIZONTAL_SCROLLING, false);
+		let labelTitle = (horizontalScrolling && title.length > 50) ? `${title.substring(0, 50)}...` : title;
 		if (COPILOT_ACCOUNTS[author.login]) {
 			labelTitle = labelTitle.replace('[WIP]', '');
 		}