Correggi visibilità oggetti durante refresh GPS

wwwroot/css/app.css

@@ -274,7 +274,7 @@ input[type="checkbox"] {
 .layer-manager-block > summary,
 .layer-manager-object > summary {
     display: grid;
-    grid-template-columns: 28px 20px minmax(0, 1fr) auto;
+    grid-template-columns: 28px 20px minmax(0, 1fr) auto auto;
     align-items: center;
     gap: 6px;
     min-height: 38px;
@@ -302,6 +302,29 @@ input[type="checkbox"] {
     cursor: grab;
 }
 
+.layer-move-buttons {
+    display: inline-grid;
+    grid-template-columns: 24px 24px;
+    gap: 2px;
+}
+
+.layer-move-buttons button {
+    width: 24px;
+    height: 28px;
+    padding: 0;
+    border: 1px solid #cbd5da;
+    border-radius: 4px;
+    background: #f6f8f9;
+    color: var(--ink);
+    font-size: 16px;
+    font-weight: 800;
+    line-height: 1;
+}
+
+.layer-move-buttons button:active {
+    background: #dce8ec;
+}
+
 .layer-manager-title {
     min-width: 0;
     overflow-wrap: anywhere;