Set text color, not fil, for toggles

app/assets/javascripts/vue_shared/components/toggle_button.vue

@@ -80,7 +80,7 @@ export default {
         <gl-icon
           :size="18"
           :name="toggleIcon"
-          :class="value ? 'gl-fill-blue-500' : 'gl-fill-gray-400'"
+          :class="value ? 'gl-text-blue-500' : 'gl-text-gray-400'"
         />
       </span>
     </button>

app/views/projects/pages_domains/_certificate.html.haml

@@ -19,8 +19,8 @@
           "aria-label": _("Automatic certificate management using Let's Encrypt") }
           = f.hidden_field :auto_ssl_enabled?, class: "js-project-feature-toggle-input"
           %span.toggle-icon
-            = sprite_icon("status_success_borderless", size: 18, css_class: "gl-fill-blue-500 toggle-status-checked")
-            = sprite_icon("status_failed_borderless", size: 18, css_class: "gl-fill-gray-400 toggle-status-unchecked")
+            = sprite_icon("status_success_borderless", size: 18, css_class: "gl-text-blue-500 toggle-status-checked")
+            = sprite_icon("status_failed_borderless", size: 18, css_class: "gl-text-gray-400 toggle-status-unchecked")
         %p.text-secondary.mt-3
           - docs_link_url = help_page_path("user/project/pages/custom_domains_ssl_tls_certification/lets_encrypt_integration.md")
           - docs_link_start = "<a href=\"%{docs_link_url}\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"text-nowrap\">".html_safe % { docs_link_url: docs_link_url }

app/views/shared/buttons/_project_feature_toggle.html.haml

@@ -12,5 +12,5 @@
   - if yield.present?
     = yield
   %span.toggle-icon
-    = sprite_icon('status_success_borderless', size: 18, css_class: 'gl-fill-blue-500 toggle-status-checked')
-    = sprite_icon('status_failed_borderless', size: 18, css_class: 'gl-fill-gray-400 toggle-status-unchecked')
+    = sprite_icon('status_success_borderless', size: 18, css_class: 'gl-text-blue-500 toggle-status-checked')
+    = sprite_icon('status_failed_borderless', size: 18, css_class: 'gl-text-gray-400 toggle-status-unchecked')