wrap brand variable in single quotes too

Author: GoMatrixHosting

roles/matrix-awx/tasks/set_variables_element.yml

@@ -10,7 +10,7 @@
   with_dict:
     'matrix_client_element_enabled': '{{ matrix_client_element_enabled }}'
     'matrix_client_element_jitsi_preferredDomain': '{{ matrix_client_element_jitsi_preferredDomain }}'
-    'matrix_client_element_brand': '{{ matrix_client_element_brand }}'
+    'matrix_client_element_brand': "'{{ matrix_client_element_brand }}'"
     'matrix_client_element_default_theme': '{{ matrix_client_element_default_theme }}'
     'matrix_client_element_registration_enabled': '{{ matrix_client_element_registration_enabled }}'