feat: update layout and fix bugs in election related pages

This commit includes various updates to improve the layout and user experience on election related pages. It includes changes in grid layout for better responsiveness, updates to text sizing and wrapping for better readability, and fixes bugs related to null values and unique key generation.

resources/views/pages/association/election/index.blade.php

@@ -37,7 +37,7 @@ $saveElection = function ($index) {
     @volt
     <div class="relative flex h-full">
         @foreach($elections as $election)
-            <div class="w-1/3 p-4">
+            <div class="w-full sm:w-1/3 p-4">
                 <div class="shadow-lg rounded-lg overflow-hidden">
                     {{ $election['year'] }}
                 </div>