refactor: clean up vault components by removing unused drag-and-drop functionality and optimizing icon loading logic

webapp/src/styles/vault.css

@@ -354,31 +354,6 @@
   transform: translateX(0);
 }
 
-.list-item.is-dragging {
-  @apply z-[2];
-  border-color: rgba(37, 99, 235, 0.3);
-  background: color-mix(in srgb, var(--panel) 88%, white 12%);
-  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.14);
-}
-
-.list-item.is-sorting-source {
-  opacity: 0.28;
-}
-
-.cipher-drag-overlay {
-  @apply mb-0;
-  cursor: grabbing;
-  border-color: rgba(37, 99, 235, 0.34);
-  background: color-mix(in srgb, var(--panel) 92%, white 8%);
-  box-shadow: 0 20px 42px rgba(15, 23, 42, 0.18);
-}
-
-.cipher-drag-overlay .row-main,
-.cipher-drag-overlay .cipher-drag-btn,
-.cipher-drag-overlay .row-check {
-  pointer-events: none;
-}
-
 .row-check {
   @apply relative z-[2] h-4 w-4 cursor-pointer;
 }
@@ -394,42 +369,6 @@
   transform: translateX(2px);
 }
 
-.cipher-drag-btn {
-  @apply relative z-[2] h-[34px] w-6 min-w-6 cursor-grab self-center overflow-visible rounded-[10px] p-0 opacity-[0.82];
-  color: var(--muted);
-  touch-action: none;
-  -webkit-user-select: none;
-  user-select: none;
-  border-color: transparent;
-  background: transparent;
-  box-shadow: none;
-}
-
-.cipher-drag-btn:hover {
-  color: var(--primary-strong);
-  border-color: transparent;
-  background: transparent;
-  box-shadow: none;
-  opacity: 1;
-}
-
-.cipher-drag-btn:active {
-  cursor: grabbing;
-  border-color: transparent;
-  background: transparent;
-  box-shadow: none;
-}
-
-.cipher-drag-btn:disabled {
-  cursor: not-allowed;
-  opacity: 0.38;
-}
-
-.cipher-drag-btn::before {
-  content: '';
-  @apply absolute -inset-2.5 rounded-xl;
-}
-
 .list-icon-wrap {
   @apply grid h-6 w-6 shrink-0 place-items-center;
   transition: transform 240ms var(--ease-out-soft), filter 240ms var(--ease-out-soft);