feat(accessibility): Improve search input fields accessibility

* tss-react doesn't need a type anotation for the Theme

* Update tss-react to 4.4.4

Remove global variables from files
Change type to interface

Remove ts-ignores that are no longer needed because of tsconfig.web.json
Change ts-ignore to ts-expect-error for files outside react/features

Remove unnecessary ts-ignores

Use new TS config from @jitsi/eslint
Fix all lint errors

Remove unnecessary ts-ignores
Change any to actual types
Fix eslint rule

Convert files that use material-ui to TS (needed for material-ui upgrade)

This reverts commit 432d07c2ad.

* Changed render mode to standard compliant and adjusted CSS accordantly.

* Fixed HTML errors, removed XHTML reminiscences and whitespace.

* Added doctype and fixed a few HTML errors.

* The input field speakerStatsSearch overflows the dialog box. Added missing box-sizing.

Co-authored-by: Bo Frederiksen <bo.frederiksen@semaphor.dk>

Fix elements to use correct tokens

* fix(speaker-stats): prevent search from closing when enter pressed and from keeping previous state

* fix(speaker-stats): remove unnecessary blank lines

* fix(speaker-stats): add empty dependencies to prevent dismiss callback

* add(speaker-stats): reset search criteria action

* Additional setting to add search to speaker stats

* Add translation for speaker stats search placeholder

* Unset speaker stats search input autocomplete

* Fix lint errors for speaker stats search

* Change setting to disableSpeakerStatsSearch

* Better Object.prototype.hasOwnProperty.call alternative

* Make SpeakerStatsSearch a functional component

* Align header with input and use material-ui styles instead of scss and remove SpeakerStats header and fix dialog close

* Resolve code style remark in SpeakerStats constructor

* Resolve component empty return value remark in SpeakerStatsSearch

* Resolve get config property in outside function remark in SpeakerStatsSearch

* Resolve unnecessary anonymous function remark in SpeakerStatsSearch