fix(graphql): add missing admin mail name variable to save mutation

client/graph/admin/mail/mail-mutation-save-config.gql

 mutation (
-  $senderName: String!,
-  $senderEmail: String!,
-  $host: String!,
-  $port: Int!,
-  $secure: Boolean!,
-  $verifySSL: Boolean!,
-  $user: String!,
-  $pass: String!,
-  $useDKIM: Boolean!,
-  $dkimDomainName: String!,
-  $dkimKeySelector: String!,
+  $senderName: String!
+  $senderEmail: String!
+  $host: String!
+  $port: Int!
+  $name: String!
+  $secure: Boolean!
+  $verifySSL: Boolean!
+  $user: String!
+  $pass: String!
+  $useDKIM: Boolean!
+  $dkimDomainName: String!
+  $dkimKeySelector: String!
   $dkimPrivateKey: String!
 ) {
   mail {
     updateConfig(
-      senderName: $senderName,
-      senderEmail: $senderEmail,
-      host: $host,
-      port: $port,
-      name: $name,
-      secure: $secure,
-      verifySSL: $verifySSL,
-      user: $user,
-      pass: $pass,
-      useDKIM: $useDKIM,
-      dkimDomainName: $dkimDomainName,
-      dkimKeySelector: $dkimKeySelector,
+      senderName: $senderName
+      senderEmail: $senderEmail
+      host: $host
+      port: $port
+      name: $name
+      secure: $secure
+      verifySSL: $verifySSL
+      user: $user
+      pass: $pass
+      useDKIM: $useDKIM
+      dkimDomainName: $dkimDomainName
+      dkimKeySelector: $dkimKeySelector
       dkimPrivateKey: $dkimPrivateKey
     ) {
       responseResult {