use AdwBanner for info bars

Peter Eisenmannrequested to merge
p3732/nautilus:wip/p3732/adw-banner into main

Use AdwBanner for any info bars nautilus shows (search info, location info, potentially other).

Part of #2722 and #2527. Fixes #2774 (closed), #2402 (closed).

Edited by Peter Eisenmann

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