fix(frontend): storage failures use the error colour next to the warning, shared mark on its own line in the list, trash key is visible

frontend/src/lib/components/disk/TrashPanel.svelte

@@ -224,8 +224,8 @@
 
   {#if chosen.length > 0}
     <SelectionBar
-      note={problem ??
-        (chosenGone > 0 ? `${chosenGone} не скачать заново` : undefined)}
+      failure={doomed === null ? problem : null}
+      note={chosenGone > 0 ? `${chosenGone} не скачать заново` : undefined}
       title="{filesLabel(chosen.length)} · {formatBytes(bytesOf(chosen))}"
       warn
     >
@@ -251,7 +251,7 @@
       </Button>
     </SelectionBar>
   {:else if problem && doomed === null}
-    <SelectionBar title={problem}>
+    <SelectionBar failure={problem} title="Не получилось">
       <Button
         onclick={() => {
           problem = null;
@@ -317,10 +317,7 @@
             </p>
           {/if}
           {#if problem}
-            <p class="confirm warn">
-              <Icon name="warning" size="1.25rem" />
-              <span>{problem}.</span>
-            </p>
+            <p class="confirm failed">{problem}.</p>
           {/if}
         </div>
       {/if}
@@ -439,10 +436,15 @@
     font-size: 0.9375rem;
     line-height: 1.45;
 
-    &.rest {
+    &.rest,
+    &.failed {
       margin-top: 0.75rem;
     }
 
+    &.failed {
+      color: var(--color-error);
+    }
+
     &.warn {
       display: flex;
       gap: 0.625rem;