fixup: i18n and icon minor changes

app/locales/cn.ts

@@ -175,6 +175,8 @@ const cn = {
     Toast: (x: any) => `包含 ${x} 条预设提示词`,
     Edit: "当前对话设置",
     Add: "新增预设对话",
+    Clear: "上下文已清除",
+    Revert: "恢复上下文",
   },
   Plugin: {
     Name: "插件",

app/locales/en.ts

@@ -178,6 +178,8 @@ const en: RequiredLocaleType = {
     Toast: (x: any) => `With ${x} contextual prompts`,
     Edit: "Contextual and Memory Prompts",
     Add: "Add a Prompt",
+    Clear: "Context Cleared",
+    Revert: "Revert",
   },
   Plugin: {
     Name: "Plugin",