Fix potential api glitches and fix team creation error rendering

CTFd/schemas/teams.py

@@ -211,7 +211,9 @@ class TeamSchema(ma.ModelSchema):
             else:
                 target_team = current_team
 
-            if self.view == "admin":
+            # We are editting an existing
+            if self.view == "admin" and self.instance:
+                target_team = self.instance
                 provided_ids = []
                 for f in fields:
                     f.pop("id", None)

CTFd/schemas/users.py

@@ -205,7 +205,9 @@ class UserSchema(ma.ModelSchema):
             else:
                 target_user = current_user
 
-            if self.view == "admin":
+            # We are editting an existing user
+            if self.view == "admin" and self.instance:
+                target_user = self.instance
                 provided_ids = []
                 for f in fields:
                     f.pop("id", None)

CTFd/themes/admin/assets/js/pages/team.js

@@ -41,15 +41,15 @@ function createTeam(event) {
         const team_id = response.data.id;
         window.location = CTFd.config.urlRoot + "/admin/teams/" + team_id;
       } else {
-        $("#team-info-form > #results").empty();
+        $("#team-info-create-form > #results").empty();
         Object.keys(response.errors).forEach(function(key, _index) {
-          $("#team-info-form > #results").append(
+          $("#team-info-create-form > #results").append(
             ezBadge({
               type: "error",
               body: response.errors[key]
             })
           );
-          const i = $("#team-info-form").find("input[name={0}]".format(key));
+          const i = $("#team-info-create-form").find("input[name={0}]".format(key));
           const input = $(i);
           input.addClass("input-filled-invalid");
           input.removeClass("input-filled-valid");