Remove hack for mounting JSON editor (#1565)

src/realm-settings/UserProfileTab.tsx

@@ -60,6 +60,7 @@ export const UserProfileTab = () => {
     <Tabs
       activeKey={activeTab}
       onSelect={(_, key) => setActiveTab(key.toString())}
+      mountOnEnter
     >
       <Tab
         eventKey="attributes"
@@ -73,17 +74,11 @@ export const UserProfileTab = () => {
         eventKey="jsonEditor"
         title={<TabTitleText>{t("jsonEditor")}</TabTitleText>}
       >
-        {/** The code editor needs to be rendered conditionally to prevent it from being initialized
-         * while the tab contents are hidden. If the contents of the tab are hidden then it
-         * might not initialize correctly.
-         */}
-        {activeTab === "jsonEditor" && (
         <JsonEditorTab
           profiles={profiles}
           onSave={onSave}
           isSaving={isSaving}
         />
-        )}
       </Tab>
     </Tabs>
   );