Improve error message when semantic search is not enabled with genai (#14528)

frigate/api/event.py

@@ -1015,7 +1015,7 @@ def regenerate_description(
         content=(
             {
                 "success": False,
-                "message": "Semantic search and generative AI are not enabled",
+                "message": "Semantic Search and Generative AI must be enabled to regenerate a description",
             }
         ),
         status_code=400,

web/src/components/overlay/detail/SearchDetailDialog.tsx

@@ -368,9 +368,9 @@ function ObjectDetailsTab({
             );
           }
         })
-        .catch(() => {
+        .catch((error) => {
           toast.error(
-            `Failed to call ${capitalizeAll(config?.genai.provider.replaceAll("_", " ") ?? "Generative AI")} for a new description`,
+            `Failed to call ${capitalizeAll(config?.genai.provider.replaceAll("_", " ") ?? "Generative AI")} for a new description: ${error.response.data.message}`,
             {
               position: "top-center",
             },