Tighten tables layout and grid behavior

src/RolemasterDb.App/Components/Tables/TablesSelectionMenu.razor

@@ -0,0 +1,24 @@
+@if (SelectedCellDetail is not null)
+{
+    <div class="tables-selection-menu" aria-label="Selected result actions">
+        @if (!SelectedCellDetail.IsCurated)
+        {
+            <button type="button" class="btn btn-secondary" @onclick="OnCurate">Open curation</button>
+        }
+
+        <button type="button" class="btn btn-primary" @onclick="OnEdit">Open editor</button>
+    </div>
+}
+
+@code {
+
+    [Parameter]
+    public CriticalTableCellDetail? SelectedCellDetail { get; set; }
+
+    [Parameter]
+    public EventCallback OnEdit { get; set; }
+
+    [Parameter]
+    public EventCallback OnCurate { get; set; }
+
+}