feat: mandatory password change on login + UI fixes

client/graph/login/login-mutation-changepassword.gql

@@ -0,0 +1,13 @@
+mutation($continuationToken: String!, $newPassword: String!) {
+  authentication {
+    loginChangePassword(continuationToken: $continuationToken, newPassword: $newPassword) {
+      responseResult {
+        succeeded
+        errorCode
+        slug
+        message
+      }
+      jwt
+    }
+  }
+}