[material] Fix wrong import in Popover types (#42967)

Author: mnajdova

packages/mui-material/src/Popover/Popover.d.ts

@@ -1,6 +1,6 @@
 import * as React from 'react';
 import { SxProps } from '@mui/system';
-import { SlotComponentProps } from '@mui/base';
+import { SlotComponentProps } from '@mui/utils';
 import { InternalStandardProps as StandardProps } from '..';
 import Paper, { PaperProps } from '../Paper';
 import Modal, { ModalOwnerState, ModalProps } from '../Modal';