[frogend] Settings refactor (#1318)

* yakshave new form field structure

* fully refactor user profile settings form

* use rtk query api for profile settings

* refactor user post settings

* refactor password change form

* refactor admin settings

* FormWithData structure for user forms

* admin actions refactor

* whitespace

* fix user settings data prop

* remove superfluous logging

* cleanup old code

* refactor federation/suspend (overview, detail)

* mostly abstracted (emoji) checkbox list

* refactor parse-from-toot

* refactor custom-emoji, progress on federation bulk

* loading icon styling to prevent big spinny

* refactor federation import-export interface

* cleanup old files

* [chore] Update/add license headers for 2023

* redux fixes

* text-field exports

* appease the linter

* refactor authentication with RTK Query

* fix login/logout state transition weirdness

* fixes/cleanup

* small linter-related fixes

* add eslint license header check, fix existing files

* remove old code, clarify comment

* clarify suspend on subdomains

* collapse if/else

* fa-fw width info comment

web/source/settings/components/mutation-button.jsx

@@ -1,42 +0,0 @@
-/*
-	GoToSocial
-	Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
-
-	This program is free software: you can redistribute it and/or modify
-	it under the terms of the GNU Affero General Public License as published by
-	the Free Software Foundation, either version 3 of the License, or
-	(at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU Affero General Public License for more details.
-
-	You should have received a copy of the GNU Affero General Public License
-	along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-"use strict";
-
-const React = require("react");
-
-module.exports = function MutateButton({text, result}) {
-	let buttonText = text;
-
-	if (result.isLoading) {
-		buttonText = "Processing...";
-	}
-
-	return (<div>
-		{result.error && 
-			<section className="error">{result.error.status}: {result.error.data.error}</section>
-		}
-		<input
-			className="button"
-			type="submit"
-			disabled={result.isLoading}
-			value={buttonText}
-		/>
-	</div>
-	);
-};