Replace usage of forwardRef with React 19 ref prop (#29803)

* Replace usage of `forwardRef` with React 19 ref prop

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Add lint rule

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/components/structures/MatrixClientContextProvider.tsx

@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Com
 Please see LICENSE files in the repository root for full details.
 */
 
-import React, { type PropsWithChildren, useEffect, useState } from "react";
+import React, { type PropsWithChildren, useEffect, useState, type JSX } from "react";
 import { type MatrixClient } from "matrix-js-sdk/src/matrix";
 import { CryptoEvent } from "matrix-js-sdk/src/crypto-api";
 import { logger } from "matrix-js-sdk/src/logger";
@@ -85,7 +85,7 @@ interface Props {
  * A React component which exposes a {@link MatrixClientContext} and a {@link LocalDeviceVerificationStateContext}
  * to its children.
  */
-export function MatrixClientContextProvider(props: PropsWithChildren<Props>): React.JSX.Element {
+export function MatrixClientContextProvider(props: PropsWithChildren<Props>): JSX.Element {
     const verificationState = useLocalVerificationState(props.client);
     return (
         <MatrixClientContext.Provider value={props.client}>