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/context/intermediate/popovers/ServerIdentityModal.tsx

@@ -5,9 +5,10 @@ import styles from "./ServerIdentityModal.module.scss";
 import { Text } from "preact-i18n";
 import { useEffect, useState } from "preact/hooks";
 
+import { Button } from "@revoltchat/ui";
+
 import { noop } from "../../../lib/js";
 
-import Button from "../../../components/ui/Button";
 import InputBox from "../../../components/ui/InputBox";
 import Modal from "../../../components/ui/Modal";
 import Overline from "../../../components/ui/Overline";
@@ -95,7 +96,7 @@ export const ServerIdentityModal = observer(({ server, onClose }: Props) => {
                         </Button>
                         {currentNickname !== "" && (
                             <Button
-                                plain
+                                palette="plain"
                                 onClick={() =>
                                     member.edit({ remove: ["Nickname"] })
                                 }>