feat(extension): show toast when fetch registry failed

src/renderer/components/ExtensionManager.vue

@@ -373,6 +373,7 @@ async function fetchExtensions () {
     registryExtensions.value = await extensionManager.getRegistryExtensions(currentRegistry.value)
   } catch (error) {
     logger.error('fetchExtensions', error)
+    useToast().show('warning', t('extension.fetch-registry-failed'))
     registryExtensions.value = []
     throw error
   } finally {

src/share/i18n/languages/en.ts

@@ -588,6 +588,7 @@ const data = {
     'auto-upgrade': 'Auto Upgrade',
     'unknown-origin-tips': 'Using extensions from unknown sources can be risky, still want to enable?',
     'extensions-auto-upgraded': '%s extensions have been upgraded',
+    'fetch-registry-failed': 'Fetch registry failed, please switch to another registry or try again later',
   },
   'get-started': {
     'get-started': 'Get Started',

src/share/i18n/languages/zh-CN.ts

@@ -589,6 +589,7 @@ const data: BaseLanguage = {
     'auto-upgrade': '自动升级',
     'unknown-origin-tips': '使用未知来源的扩展可能有风险，仍然要启用吗？',
     'extensions-auto-upgraded': '%s 个扩展已升级',
+    'fetch-registry-failed': '获取扩展仓库失败，请切换到其他仓库源或稍后重试',
   },
   'get-started': {
     'get-started': '开始使用',