fix: dont trim display name when sanitizing

trim on submission

ts/components/dialog/edit-profile/EditProfileDialog.tsx

@@ -216,6 +216,7 @@ export const EditProfileDialog = () => {
       setLoading(true);
       const validName = await ProfileManager.updateOurProfileDisplayName(profileName);
       setUpdateProfileName(validName);
+      setProfileName(validName);
       setMode('default');
     } catch (err) {
       window.log.error('Profile update error', err);

ts/components/registration/utils/index.tsx

@@ -9,15 +9,14 @@ export function sanitizeDisplayNameOrToast(
 ) {
   try {
     const sanitizedName = sanitizeSessionUsername(displayName);
-    const trimName = sanitizedName.trim();
-    const errorString = !trimName ? window.i18n('displayNameEmpty') : undefined;
+    const errorString = !sanitizedName ? window.i18n('displayNameEmpty') : undefined;
     if (dispatch) {
       dispatch(onDisplayNameError(errorString));
     } else {
       onDisplayNameError(errorString); // this is is either calling dispatch in the caller or just `setDisplayNameError`
     }
 
-    return trimName;
+    return sanitizedName;
   } catch (e) {
     if (dispatch) {
       dispatch(onDisplayNameError(window.i18n('displayNameErrorDescriptionShorter')));