feat: reset all queue filters together

Add one contextual reset action that clears the upload sidebar, filename search, host filter, and status filter in a single render while restoring selection and scroll state consistently.

renderer/styles.css

@@ -401,6 +401,13 @@ body {
   background: var(--border);
   margin: 0 4px;
 }
+.queue-filter-reset {
+  margin-left: auto;
+  white-space: nowrap;
+}
+.queue-filter-reset[hidden] {
+  display: none;
+}
 .queue-container {
   flex: 1 1 0;
   min-height: 0;