label: authority prefix

fixes #58222

src/vs/platform/label/common/label.ts

@@ -43,6 +43,7 @@ export interface LabelRules {
 		separator: '/' | '\\' | '';
 		tildify?: boolean;
 		normalizeDriveLetter?: boolean;
+		authorityPrefix?: string;
 	};
 	workspace?: {
 		suffix: string;
@@ -168,6 +169,9 @@ export class LabelService implements ILabelService {
 		if (formatter.uri.tildify && !forceNoTildify) {
 			label = tildify(label, this.environmentService.userHome);
 		}
+		if (formatter.uri.authorityPrefix && resource.authority) {
+			label = formatter.uri.authorityPrefix + label;
+		}
 
 		return label.replace(sepRegexp, formatter.uri.separator);
 	}

src/vs/workbench/parts/files/electron-browser/files.contribution.ts

@@ -63,7 +63,8 @@ class FileUriLabelContribution implements IWorkbenchContribution {
 				label: '${authority}${path}',
 				separator: nativeSep,
 				tildify: !platform.isWindows,
-				normalizeDriveLetter: platform.isWindows
+				normalizeDriveLetter: platform.isWindows,
+				authorityPrefix: nativeSep + nativeSep
 			},
 			workspace: {
 				suffix: ''