Load icons using @svgr (#7928)

* extend svg module

Signed-off-by: Kerry Archibald <kerrya@element.io>

* POC in QuickSettingsButton

Signed-off-by: Kerry Archibald <kerrya@element.io>

* stylelint

Signed-off-by: Kerry Archibald <kerrya@element.io>

* update copyright

Signed-off-by: Kerry Archibald <kerrya@element.io>

* remove aria-hidden, quick docs

Signed-off-by: Kerry Archibald <kerrya@element.io>

src/@types/svg.d.ts

@@ -1,5 +1,6 @@
 /*
 Copyright 2021 Šimon Brandner <simon.bra.ag@gmail.com>
+Copyright 2022 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -16,5 +17,6 @@ limitations under the License.
 
 declare module "*.svg" {
     const path: string;
+    export const Icon: React.FC<React.SVGProps<SVGSVGElement>>;
     export default path;
 }