feat(library): a clear-all button puts every filter back at once

docker/frontend/src/Library.tsx

@@ -3023,6 +3023,29 @@ function Catalogue({ admin, user }: { admin: boolean; user: User | null }) {
                         ))}
                       </select>
 
+                      {/* 5b. The way back to the whole roll: every filter in this
+                          row undone at once, which is otherwise four selects and
+                          two dropdowns put back by hand. The order is left alone —
+                          a sort is not a filter, and it is where the reader was. */}
+                      <button
+                        type="button"
+                        className="adm-input"
+                        data-key="lib-filter-reset"
+                        aria-label={t('lib.filterReset')}
+                        title={t('lib.filterReset')}
+                        onClick={() => {
+                          setMinStar(0);
+                          setYear('all');
+                          setMonth('all');
+                          setDay('all');
+                          setFrom('any');
+                          setTo('any');
+                        }}
+                        style={{ flexShrink: 0, cursor: 'pointer', fontWeight: 600, padding: '0 8px' }}
+                      >
+                        ✕
+                      </button>
+
                       {/* 6. Search: a name or a tag. The one control here that
                           leaves the shelf — the four before it look through the
                           frames already in hand, this one asks Immich for frames