[CrostiniPage] Link "Set up Crostini" search result to the setting

Fix a bug where the "Set up Crostini" search result did not connect to
the eponymous setting, so the setting was inaccessible for deep linking.

Bug: 1084154
Change-Id: I0b5452425eb19203c61c8b45ba4d2d96afc16264
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2380749Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Commit-Queue: Daniel Classon <dclasson@google.com>
Cr-Commit-Position: refs/heads/master@{#802704}

chrome/browser/ui/webui/settings/chromeos/crostini_section.cc

@@ -98,8 +98,8 @@ const std::vector<SearchConcept>& GetCrostiniOptedOutSearchConcepts() {
        mojom::kCrostiniSectionPath,
        mojom::SearchResultIcon::kPenguin,
        mojom::SearchResultDefaultRank::kMedium,
-       mojom::SearchResultType::kSection,
-       {.section = mojom::Section::kCrostini},
+       mojom::SearchResultType::kSetting,
+       {.setting = mojom::Setting::kSetUpCrostini},
        {IDS_OS_SETTINGS_TAG_CROSTINI_SETUP_ALT1, SearchConcept::kAltTagEnd}},
   });
   return *tags;