fix: return import path (#521)

Author: Kyzyl-ool

src/models/constructor-items/blocks.ts

@@ -1,6 +1,6 @@
 import {ButtonSize} from '@gravity-ui/uikit';
 
-import {GridColumnSize, GridColumnSizesType} from '../../grid';
+import {GridColumnSize, GridColumnSizesType} from '../../grid/types';
 import {ThemeSupporting} from '../../utils';
 
 import {