chore: fix undefined (#3588)

* chore: fix undefined

* chore: fix component robustness

Author: uyarn

packages/components/form/FormItem.tsx

@@ -172,14 +172,14 @@ const FormItem = forwardRef<FormItemInstance, FormItemProps>((originalProps, ref
 
     if (formListName) {
       fieldName = [].concat(formListName, name);
-      fieldValue = get(form.store, fieldName);
+      fieldValue = get(form?.store, fieldName);
     }
 
     fieldName = fieldName.filter((item) => item !== undefined);
 
-    if (!fieldName || !form) return;
+    if (!fieldName) return;
     if (isEqual(fieldValue, newVal)) return;
-    set(form.store, fieldName, newVal);
+    set(form?.store, fieldName, newVal);
     setFormValue(newVal);
   };
 

packages/components/select/base/Select.tsx

@@ -283,7 +283,7 @@ const Select = forwardRefWithStatics(
         return (option?.label || '').toUpperCase().includes(upperValue);
       };
 
-      tmpPropOptions.forEach((option) => {
+      tmpPropOptions?.forEach((option) => {
         if (option.group) {
           filteredOptions.push({
             ...option,