fix: what a search finds beside a list isn't stretched over the page

On a page a list or a table fills (Cookies, Link Resolution), a search
that put the list away left its room to the cards found, stretched down
the page. The room under the rows now takes it, as on any other page.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: vzhd1701

gridplayer/widgets/settings_form.py

@@ -422,8 +422,9 @@ def __init__(
         self._add_items(items, joined=False)
         self._close_section()
 
-        if not self._fills:
-            root.addStretch(1)
+        # the room under the rows; on a page a list or a table fills, only
+        # once a search has put it away, rather than the cards stretched
+        root.addStretch(0 if self._fills else 1)
 
         # what is modified waits for the values
         self._sync(keys=())

tests/test_settings_search.py

@@ -307,6 +307,22 @@ def test_a_note_goes_with_the_rows_it_is_under(self, dialog):
         assert not _put_away(section)
         assert not any(_put_away(note) for note in form._notes)
 
+    @pytest.mark.parametrize(
+        ("page_id", "key"),
+        [
+            ("cookies", "cookies/allow_update"),
+            ("resolution", "streaming/resolver_priority"),
+        ],
+    )
+    def test_what_is_found_beside_a_list_is_not_stretched(self, dialog, page_id, key):
+        # the list that fills the page is away, and its room with it
+        dialog.search("yt")
+        dialog.show_page(page_id)
+        _settle()
+
+        row = dialog.forms[page_id]._rows[key]
+        assert row.height() == row.sizeHint().height()
+
     def test_a_setting_pointed_at_is_out_of_the_search(self, dialog, mocker):
         mocker.patch.object(settings_dialog.QCustomMessageBox, "warning")
         key = "screenshots/filename_template"