New source found from dndbeyond.com

ddb_main/node_modules/@mui/material/Popover/Popover.js

@@ -8,15 +8,16 @@ const _excluded = ["onEntering"],
 import * as React from 'react';
 import PropTypes from 'prop-types';
 import clsx from 'clsx';
-import { useSlotProps, isHostComponent } from '@mui/base/utils';
 import composeClasses from '@mui/utils/composeClasses';
 import HTMLElementType from '@mui/utils/HTMLElementType';
 import refType from '@mui/utils/refType';
 import elementTypeAcceptingRef from '@mui/utils/elementTypeAcceptingRef';
 import integerPropType from '@mui/utils/integerPropType';
 import chainPropTypes from '@mui/utils/chainPropTypes';
+import useSlotProps from '@mui/utils/useSlotProps';
+import isHostComponent from '@mui/utils/isHostComponent';
 import styled from '../styles/styled';
-import useThemeProps from '../styles/useThemeProps';
+import { useDefaultProps } from '../DefaultPropsProvider';
 import debounce from '../utils/debounce';
 import ownerDocument from '../utils/ownerDocument';
 import ownerWindow from '../utils/ownerWindow';
@@ -88,7 +89,7 @@ export const PopoverPaper = styled(PaperBase, {
 });
 const Popover = /*#__PURE__*/React.forwardRef(function Popover(inProps, ref) {
   var _slotProps$paper, _slots$root, _slots$paper;
-  const props = useThemeProps({
+  const props = useDefaultProps({
     props: inProps,
     name: 'MuiPopover'
   });