src/vs/platform/extensionManagement/common/extensionEnablementService.ts/GlobalExtensionEnablementService/enableExtension
class GlobalExtensionEnablementService:	async enableExtension(extension: IExtensionIdentifier, source?: string): Promise<boolean> {
		if (this._removeFromDisabledExtensions(extension)) {
			this._onDidChangeEnablement.fire({ extensions: [extension], source });
			return true;
		}
		return false;
	}