Show admin dropdown for admin-access ability (#515)

* Show admin dropdown for admin-access ability closes #509

* Formatting

resources/docker/php/Dockerfile

@@ -1,4 +1,4 @@
-FROM php:7.3-fpm-alpine
+FROM php:7.4-fpm-alpine
 
 RUN apk add make gmp-dev
 

resources/views/layouts/default/dashboard/index.blade.php

@@ -36,7 +36,7 @@
                         <div class="icon-background"> {{--110px font-size--}}
                             <i class="fas fa-money-bill-alt icon"></i>
                         </div>
-                        <h3 class="header">{{ $user->journal->balance }}</h3>
+                        <h3 class="header">{{ optional($user->journal)->balance ?? 0 }}</h3>
                         <h5 class="description">@lang('dashboard.yourbalance')</h5>
                     </div>
                 </div>

resources/views/layouts/default/nav.blade.php

@@ -93,11 +93,11 @@
               <i class="far fa-user"></i>&nbsp;&nbsp;@lang('common.profile')
             </a>
 
-            @role('admin')
+            @ability('admin', 'admin-access')
             <a class="dropdown-item" href="{{ url('/admin') }}">
               <i class="fas fa-circle-notch"></i>&nbsp;&nbsp;@lang('common.administration')
             </a>
-            @endrole
+            @endability
             <div class="dropdown-divider"></div>
             <a class="dropdown-item" href="{{ url('/logout') }}">
               <i class="fas fa-sign-out-alt"></i>&nbsp;&nbsp;@lang('common.logout')