perf: 邮箱设置改为系统设置，普通用户无需配置发件邮箱

packages/ui/certd-client/src/views/sys/settings/api.ts

@@ -4,7 +4,8 @@ const apiPrefix = "/sys/settings";
 
 export const SettingKeys = {
   SysPublic: "sys.public",
-  SysPrivate: "sys.private"
+  SysPrivate: "sys.private",
+  SysEmail: "sys.email"
 };
 export async function SettingsGet(key: string) {
   return await request({
@@ -27,6 +28,13 @@ export async function SettingsSave(key: string, setting: any) {
   });
 }
 
+export async function EmailSettingsGet() {
+  await request({
+    url: apiPrefix + "/getEmailSettings",
+    method: "post"
+  });
+}
+
 export async function PublicSettingsSave(setting: any) {
   await request({
     url: apiPrefix + "/savePublicSettings",