fix label of image name on hover (#250360)

Author: justschen

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

@@ -248,6 +248,7 @@ export class ImageAttachmentWidget extends AbstractChatAttachmentWidget {
 		@ILanguageModelsService private readonly languageModelsService: ILanguageModelsService,
 		@ITelemetryService private readonly telemetryService: ITelemetryService,
 		@IInstantiationService instantiationService: IInstantiationService,
+		@ILabelService private readonly labelService: ILabelService,
 	) {
 		super(attachment, options, container, contextResourceLabels, hoverDelegate, currentLanguageModel, commandService, openerService);
 
@@ -286,7 +287,7 @@ export class ImageAttachmentWidget extends AbstractChatAttachmentWidget {
 			supportsVision: supportsVision
 		});
 
-		const fullName = resource?.toString() || attachment.fullName || attachment.name;
+		const fullName = resource ? this.labelService.getUriLabel(resource) : (attachment.fullName || attachment.name);
 		this._register(createImageElements(resource, attachment.name, fullName, this.element, attachment.value as Uint8Array, this.hoverService, ariaLabel, currentLanguageModelName, clickHandler, this.currentLanguageModel, attachment.omittedState));
 
 		if (resource) {