refactor: migrate to material symbols icon set

src/app/modules/dashboard/section/section.component.html

@@ -1,10 +1,32 @@
+<!--
+  ~ 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-label class="section-headline"
   >{{ title }}
-  <ion-icon name="edit" *ngIf="isEditable" (click)="onEditClick()"></ion-icon>
   <ion-icon
-    [name]="customIcon"
+    size="25"
+    class="icon-margin-right"
+    *ngIf="isEditable"
+    (click)="onEditClick()"
+    name="edit_square"
+  ></ion-icon>
+  <ion-icon
+    size="25"
     *ngIf="customIcon"
     (click)="onEditClick()"
+    [name]="customIcon"
   ></ion-icon>
 </ion-label>
 <ng-content></ng-content>