snap: Find alternate snaps that match the AppStream ID
At the time the Snap Store didn't support searching by AppStream ID. This MR adds in that feature and allows searching for a app (e.g. eog) to offer both .deb/.rpm and .snap options.
At the time the Snap Store didn't support searching by AppStream ID. This MR adds in that feature and allows searching for a app (e.g. eog) to offer both .deb/.rpm and .snap options.