fix(editor): More dark-mode fixes (no-changelog) (#7624)

This fixes:
1. The `OR` divider background when SSO Login is enabled
2. Scanning of QR code in settings in dark mode

packages/editor-ui/src/views/MfaView.vue

@@ -219,18 +219,10 @@ body {
 	justify-content: center;
 }
 
-.textContainer {
-	text-align: center;
-}
-
 .formContainer {
 	padding-bottom: var(--spacing-xl);
 }
 
-.qrContainer {
-	text-align: center;
-}
-
 .headerContainer {
 	text-align: center;
 	margin-bottom: var(--spacing-xl);