Fix inconsistency in image width and height attributes

Updated the width and height attributes of the avatar image in the history component to use consistent integer values (25) instead of "25px". This ensures proper rendering and prevents potential styling issues.

frontend/src/app/bans/bans.component.html

@@ -1,9 +1,8 @@
 <ng-container>
-  <app-header [current_page]="'bans'" height="250px" background_image="/public/img/backgrounds/staff.png"
+  <app-header [current_page]="'bans'" height="200px" background_image="/public/img/backgrounds/staff.png"
               [overlay_gradient]="0.5">>
     <div class="title" header-content>
-      <h1>Punishment History</h1>
-      <h2>Minecraft</h2>
+      <h1>Minecraft Punishments</h1>
     </div>
   </app-header>
 

frontend/src/app/bans/history/history.component.html

@@ -21,8 +21,8 @@
       <tr *ngFor="let entry of history">
         <td class="historyType">{{ getType(entry) }}</td>
         <td class="historyPlayer">
-          <img class="avatar" [ngSrc]="getAvatarUrl(entry)" width="25px"
-               height="25px" alt="">
+          <img class="avatar" [ngSrc]="getAvatarUrl(entry)" width="25"
+               height="25" alt="">
           {{ entry.username }}
         </td>
         <td class="historyPlayer">{{ entry.punishedBy }}</td>