simplify ID validity checks in LoadById function

backend/handlers/loads/handler.go

@@ -81,7 +81,7 @@ func Post(c echo.Context) error {
 		}
 
 		gbi, err := db.Loads.GetLoadById(context.Background(), *uuid)
-		if err != nil || gbi.ID.Valid == false {
+		if err != nil || !gbi.ID.Valid {
 			return handlers.NotFound(c, "load not found")
 		}
 
@@ -202,7 +202,6 @@ func Photo(c echo.Context) error {
 	mt, _, _ := mime.ParseMediaType(string(file.Photo))
 
 	return c.Blob(http.StatusOK, mt, file.Photo)
-
 }
 
 func Get(c echo.Context) error {
@@ -579,7 +578,7 @@ func Delete(c echo.Context) error {
 	}()
 
 	exists, err := db.Loads.GetLoadById(context.Background(), *uuid)
-	if err != nil || exists.ID.Valid == false {
+	if err != nil || !exists.ID.Valid {
 		return handlers.NotFound(c, "load not found")
 	}