chore: migrate Button to @revoltchat/ui (#617)

* chore: start moving Button over

* fix: convert ServerIdentityModal

* fix: modal button styling

* fix: popover styles

* fix: clean up references to ui/*.*

* fix: button sizing

Co-authored-by: Ed L <beartechtalks@gmail.com>

src/pages/settings/channel/Overview.tsx

@@ -5,11 +5,12 @@ import styled from "styled-components/macro";
 import { Text } from "preact-i18n";
 import { useEffect, useState } from "preact/hooks";
 
+import { Button } from "@revoltchat/ui";
+
 import TextAreaAutoSize from "../../../lib/TextAreaAutoSize";
 
 import { FileUploader } from "../../../context/revoltjs/FileUploads";
 
-import Button from "../../../components/ui/Button";
 import Checkbox from "../../../components/ui/Checkbox";
 import InputBox from "../../../components/ui/InputBox";
 
@@ -129,7 +130,7 @@ export default observer(({ channel }: Props) => {
                 </Checkbox>
             )}
             <p>
-                <Button onClick={save} contrast disabled={!changed}>
+                <Button onClick={save} palette="secondary" disabled={!changed}>
                     <Text id="app.special.modals.actions.save" />
                 </Button>
             </p>