Adding noItemsMessage to CatalogEntitySpec

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

src/common/catalog/catalog-entity.ts

@@ -81,6 +81,11 @@ export interface CatalogCategorySpec {
    * These columns will not be used in the "Browse" view.
    */
   displayColumns?: CategoryColumnRegistration[];
+
+  /**
+   * Custom message to display when no items available inside current category
+   */
+  noItemsMessage?: string;
 }
 
 /**

src/renderer/components/+catalog/catalog.tsx

@@ -250,8 +250,7 @@ class NonInjectedCatalog extends React.Component<Props & Dependencies> {
       ? `catalog-items-${activeCategory.metadata.name.replace(" ", "")}`
       : "catalog-items";
 
-    const noItemsMessage = activeCategory?.metadata.name == "Dev Clusters" ? "There are no Dev Clusters in this space"
-      : "Item list is empty";
+    const noItemsMessage = activeCategory?.spec.noItemsMessage ?? "Item list is empty";
 
     if (this.activeTab === undefined) {
       return null;