Merge pull request microsoft#160405 from microsoft/joh/cherry-pick/159837

send uris for `git.mergeChanges` context as objects

Author: jrieken

extensions/git/src/repository.ts

@@ -2056,7 +2056,7 @@ export class Repository implements Disposable {
 		this.setCountBadge();
 
 		// set mergeChanges context
-		commands.executeCommand('setContext', 'git.mergeChanges', merge.map(item => item.resourceUri.toString()));
+		commands.executeCommand('setContext', 'git.mergeChanges', merge.map(item => item.resourceUri));
 
 		this._onDidChangeStatus.fire();