Issue #3184588 by SKAUGHT. Make Views UI disabled status more obvious.

core/modules/views_ui/css/views_ui.admin.theme.css

@@ -568,7 +568,12 @@ td.group-title {
 .views-edit-view {
   margin-bottom: 15px;
 }
-
+.views-edit-view.disabled .views-displays {
+  background-color: #fff4f4;
+}
+.views-edit-view.disabled .views-display-column {
+  background: white;
+}
 /* The contents of the popup dialog on the views edit form. */
 .views-filterable-options .form-type-checkbox {
   padding: 5px 8px;

core/themes/claro/css/theme/views_ui.admin.theme.css

@@ -520,6 +520,14 @@ td.group-title {
   margin-bottom: 0.9375rem;
 }
 
+.views-edit-view.disabled .views-displays {
+  background-color: var(--color-red-020);
+}
+
+.views-edit-view.disabled .views-display-column {
+  background: var(--color-white);
+}
+
 /* The contents of the popup dialog on the views edit form. */
 
 .views-filterable-options .form-type-checkbox {

core/themes/claro/css/theme/views_ui.admin.theme.pcss.css

@@ -412,7 +412,12 @@ td.group-title {
 .views-edit-view {
   margin-bottom: 15px;
 }
-
+.views-edit-view.disabled .views-displays {
+  background-color: var(--color-red-020);
+}
+.views-edit-view.disabled .views-display-column {
+  background: var(--color-white);
+}
 /* The contents of the popup dialog on the views edit form. */
 .views-filterable-options .form-type-checkbox {
   padding: 5px 8px;

core/themes/stable9/css/views_ui/views_ui.admin.theme.css

@@ -568,7 +568,12 @@ td.group-title {
 .views-edit-view {
   margin-bottom: 15px;
 }
-
+.views-edit-view.disabled .views-displays {
+  background-color: #fff4f4;
+}
+.views-edit-view.disabled .views-display-column {
+  background: white;
+}
 /* The contents of the popup dialog on the views edit form. */
 .views-filterable-options .form-type-checkbox {
   padding: 5px 8px;