fix translations in before_labels

test plan:
* the "Approved Integrations" header on the user
 profile edit page should be translated correctly
 (among others)

closes #CNVS-22567

Change-Id: Ib40b8e16f7506a85a808077a49fc7e1b3dd1a6da
Reviewed-on: https://gerrit.instructure.com/61652
Tested-by: Jenkins
Reviewed-by: Jon Willesen <jonw@instructure.com>
QA-Review: Charles Kimball <ckimball@instructure.com>
Product-Review: James Williams  <jamesw@instructure.com>

config/initializers/i18n.rb

@@ -40,7 +40,7 @@ module I18nUtilities
   def before_label(text_or_key, default_value = nil, *args)
     if default_value
       text_or_key = "labels.#{text_or_key}" unless text_or_key.to_s =~ /\A#/
-      text_or_key = I18n.t(text_or_key, default_value, *args)
+      text_or_key = respond_to?(:t) ? t(text_or_key, default_value, *args) : I18n.t(text_or_key, default_value, *args)
     end
     I18n.t("#before_label_wrapper", "%{text}:", :text => text_or_key)
   end