Refactor pagination logic and add error handling in history

Introduced `updatePageSize` for better page size management and added checks to prevent rapid page changes. Enhanced error handling in `history.component` with retry logic on failure. Implemented `RemoveTrailingPeriodPipe` for cleaner UI formatting.

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

@@ -34,7 +34,7 @@
             <span>{{ entry.punishedBy }}</span>
           </div>
         </td>
-        <td class="historyReason">{{ entry.reason }}</td>
+        <td class="historyReason">{{ entry.reason | removeTrailingPeriod }}</td>
         <td class="historyDate">{{ getPunishmentTime(entry) }}</td>
         <td class="historyDate">{{ getExpiredTime(entry) }}</td>
       </tr>