update AddUpdateAdminEvent

Related to: aliencube#203

Author: sikutisa

src/AzureOpenAIProxy.ApiApp/Endpoints/AdminEventEndpoints.cs

@@ -189,9 +189,19 @@ public static RouteHandlerBuilder AddUpdateAdminEvent(this WebApplication app)
 
                return Results.Ok(result);
             }
+            catch(RequestFailedException ex)
+            {
+                if(ex.Status == 404)
+                {
+                    logger.LogError($"Failed to update event details with ID: {eventId}");
+                    return Results.NotFound();
+                }
+
+                logger.LogError(ex, $"Error occurred while updating event details of {eventId} with status {ex.Status}");
+                return Results.Problem(ex.Message, statusCode: StatusCodes.Status500InternalServerError);
+            }
             catch (Exception ex)
             {
-                // need to add 404
                logger.LogError(ex, $"Failed to update event details with ID: {eventId}");
 
                return Results.Problem(ex.Message, statusCode: StatusCodes.Status500InternalServerError);