src/vs/workbench/contrib/extensions/browser/extensionsWorkbenchService.ts/Extension/publisherDisplayName
class Extension:	get publisherDisplayName(): string {
		if (this.gallery) {
			return this.gallery.publisherDisplayName || this.gallery.publisher;
		}

		if (this.local?.publisherDisplayName) {
			return this.local.publisherDisplayName;
		}

		return this.local!.manifest.publisher;
	}