Merge pull request #532 from rvsia/fixMUISelectValue

fix(mui): change empty value in select from '' to null

Author: Hyperkid123

packages/mui-component-mapper/src/files/select.js

@@ -116,7 +116,7 @@ const InternalSelect = ({
         options={options}
         multiple={isMulti}
         getOptionLabel={(option) => getOptionLabel(option, options)}
-        value={typeof internalValue === 'undefined' ? '' : internalValue}
+        value={typeof internalValue === 'undefined' ? null : internalValue}
         onChange={(_event, option) => onChange(createValue(option, isMulti))}
         loading={isFetching}
       />