refactor: migrate to material symbols icon set

src/app/modules/settings/page/settings-page.html

@@ -1,3 +1,18 @@
+<!--
+  ~ Copyright (C) 2022 StApps
+  ~  This program is free software: you can redistribute it and/or modify it
+  ~  under the terms of the GNU General Public License as published by the Free
+  ~  Software Foundation, version 3.
+  ~
+  ~  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 General Public License for
+  ~  more details.
+  ~
+  ~  You should have received a copy of the GNU General Public License along with
+  ~  this program. If not, see <https://www.gnu.org/licenses/>.
+  -->
+
 <ion-header>
   <ion-toolbar color="primary" mode="ios">
     <ion-buttons slot="start">
@@ -42,6 +57,6 @@
     (click)="presentResetAlert()"
   >
     {{ 'settings.resetSettings' | translate }}
-    <ion-icon slot="start" name="arrow-back-up"></ion-icon>
+    <ion-icon slot="start" name="device_reset"></ion-icon>
   </ion-button>
 </ion-content>