Allow required flag to be set/unset for all field types

https://bugzilla.redhat.com/show_bug.cgi?id=1492150

app/controllers/miq_ae_customization_controller/dialogs.rb

@@ -965,6 +965,11 @@ def dialog_get_form_vars_field
     # element type was NOT changed and is present
     elsif !@edit[:field_typ].blank?
       @edit[:field_visible] = key[:visible]
+
+      if params[:field_required]
+        @edit[:field_required] = key[:required] = (params[:field_required] == "true")
+      end
+
       # set default_value - checkbox
       if @edit[:field_typ] =~ /Check/
         if params[:field_default_value]
@@ -987,10 +992,6 @@ def dialog_get_form_vars_field
           @edit[:field_default_value] ||= ""
           key[:default_value] ||= ""
         end
-
-        if params[:field_required]
-          @edit[:field_required] = key[:required] = (params[:field_required] == "true")
-        end
       end
 
       if %w(DialogFieldTextBox DialogFieldTextAreaBox).include?(@edit[:field_typ])
@@ -1030,10 +1031,6 @@ def dialog_get_form_vars_field
           @edit[:field_single_value] = key[:single_value] = (params[:field_single_value] == "true")
         end
 
-        if params[:field_required]
-          @edit[:field_required] = key[:required] = (params[:field_required] == "true")
-        end
-
         @edit[:field_sort_by]    = key[:sort_by]    = params[:field_sort_by]  if params[:field_sort_by]
         @edit[:field_sort_order] = key[:sort_order] = params[:sort_order]     if params[:sort_order]
         @edit[:field_data_typ]   = key[:data_typ]   = params[:field_data_typ] if params[:data_typ]