Changed function generating names for uploaded files to the server.

assets/js/pages/files.vue

@@ -6,7 +6,6 @@
       <table class="table">
         <thead>
         <tr>
-          <th>Id</th>
           <th>File name</th>
           <th class="text-end">File size</th>
           <th>Extension</th>
@@ -16,7 +15,6 @@
         </thead>
         <tbody>
         <tr v-for="file in files">
-          <td>{{ file.id }}</td>
           <td>{{ file.fileName }}
             <p class="mb-0" v-if="file.book">
               <a class="text-decoration-none" :href="'/book/'+file.book.id">{{