i18n: add missing translation keys across 15 locales

locales/zh/common.json

@@ -8,6 +8,8 @@
     "jmap_endpoint_label": "JMAP 服务器",
     "jmap_endpoint_placeholder": "https://mail.example.com",
     "jmap_endpoint_cors_hint": "服务器必须允许来自此域名的 CORS 请求。",
+    "jmap_server_label": "服务器",
+    "jmap_server_auto_picked": "已根据您的电子邮件域名选择服务器。",
     "sign_in": "登录",
     "signing_in": "正在登录…",
     "loading": "正在加载…",
@@ -495,6 +497,8 @@
     "send": "发送",
     "cancel": "取消",
     "attach": "附件",
+    "attach_photos": "照片和视频",
+    "attach_files": "文件",
     "discard": "丢弃",
     "discard_draft_title": "丢弃草稿？",
     "discard_draft_confirm": "您有未保存的更改。确定要丢弃这封草稿吗？",
@@ -1633,7 +1637,10 @@
       "preview": {
         "label": "预览"
       }
-    }
+    },
+    "search_placeholder": "搜索设置",
+    "search_clear": "清除搜索",
+    "search_no_results": "没有匹配的设置"
   },
   "errors": {
     "page_error_title": "出了点问题",