adds 2FA/two_factor_authentication support

adds adds 2FA/two_factor_authentication support pleroma!801 (merged) pleroma#209 (closed)

src/components/user_settings/user_settings.js

@@ -73,7 +73,9 @@ const UserSettings = {
   },
   watch: {
     setupOtp (value) {
-      this.getOTPPRovisionUrl()
+      if (value) {
+        this.getOTPPRovisionUrl()
+      }
     }
   },
   methods: {
@@ -307,6 +309,7 @@ const UserSettings = {
         .then((res) => {
           if (res.status === 'success') {
             this.otpEnabled = true
+            this.setupOtp = false
           } else {
             this.otpError = res.error
           }