[REFACTOR] 將帳號管理之 Email 欄位改為選填

resources/views/admin/data-config/accounts.blade.php

@@ -264,9 +264,9 @@
                     <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                         <div class="space-y-2">
                             <label class="text-xs font-black text-slate-500 uppercase tracking-widest pl-1">
-                                {{ __('Email') }} <span class="text-rose-500">*</span>
+                                {{ __('Email') }}
                             </label>
-                            <input type="email" name="email" x-model="currentUser.email" required class="luxury-input @error('email') border-rose-500 @enderror" placeholder="{{ __('john@example.com') }}">
+                            <input type="email" name="email" x-model="currentUser.email" class="luxury-input @error('email') border-rose-500 @enderror" placeholder="{{ __('john@example.com') }}">
                             @error('email')
                                 <p class="text-[10px] font-bold text-rose-500 mt-1 pl-1 uppercase tracking-tight">{{ $message }}</p>
                             @enderror