refined styling for #id_tray & .table-hex, which now mirror ea. other visually as parts of a befelted table

src/templates/apps/gameboard/room.html

@@ -9,6 +9,7 @@
          {% if room.table_status %}data-select-role-url="{% url 'epic:select_role' room.id %}"{% endif %}>
         <div class="room-shell">
             <div id="id_game_table" class="room-table">
+                <div class="table-hex-border">
                 <div class="table-hex">
                     <div class="table-center">
                         {% if room.table_status == "ROLE_SELECT" and card_stack_state %}
@@ -22,6 +23,7 @@
                         {% endif %}
                     </div>
                 </div>
+                </div>
                 {% if room.table_status == "SIG_SELECT" and sig_seats %}
                     {% for seat in sig_seats %}
                         <div class="table-seat{% if seat == sig_active_seat %} active{% endif %}" data-role="{{ seat.role }}" data-slot="{{ seat.slot_number }}">