Injected rules rank higher if they match against the left scope

This allows overriding “native” rules via injecting.

This commit drops support for using ‘.’ as (injection) scope selector to match everywhere. Instead
Make click-sorting non-content columns a no-op
Add link arrows to Preferences → Bundles

This takes the user to the bundle’s home (generally a GitHub page) which should make it easier to clone the source repository or report issues via the bundle’s issue tra
Clicking link arrows should not select rows
Checkin release notes
fixup! Cleanup a failed GitHub upload
Fix non-working link arrows in bundle item chooser

Since we released sender (via aliased pointer) before querying it, we would fail to obtain the item clicked.