refactor: migrate to material symbols icon set

src/app/modules/data/list/search-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/>.
+  -->
+
 <stapps-context contentId="data-list"></stapps-context>
 <ion-header>
   <ion-toolbar color="primary" mode="ios" *ngIf="showDrawer">
@@ -19,7 +34,7 @@
       class="filterable"
     >
       <ion-menu-button menu="context" auto-hide="false">
-        <ion-icon name="adjustments"></ion-icon>
+        <ion-icon name="tune"></ion-icon>
       </ion-menu-button>
     </ion-searchbar>
   </ion-toolbar>