Added proper status code for all the api modules

app/Http/Controllers/ModuleChartController.php

@@ -38,7 +38,7 @@ class ModuleChartController extends Controller
             return response()->json([
                 'status_code' => 'ERROR',
                 'status_description' => "Module Name can't be empty!"
-            ], 400);
+            ], 404);
         }
 
         $exists = ModuleList::where('module_name', $moduleName)->exists();
@@ -62,10 +62,10 @@ class ModuleChartController extends Controller
         ->values(); // reset array keys
 
 
-        return response()->json([
+       return response()->json([
             'status_code' => 'SUCCESS',
             'status_description' => $dashboardNames
-        ]);
+        ], 200);
 
     }