The migration steps' status was already being shown as succeeded instead of showing an "unchecked" list of
steps.
These changes will make the steps being "checked" one by one as the migration advances.

the RecyclerView after the fragment is not attached anymore

- Also fixes the crash described in #8202.

In an early iteration of his patch on a beta build, I saw no improvement over
6 runs (Pixel 2):
- Before: 401.5ms
- After: 402.17ms

This may be attributed to noise in startup performance. However,
BrowsersCache disappears from profiles completely and results in
theoretical performance gains.

When using the StartupTimeline class (not landed yet), I see a 27.75ms
runtime improvement on beta builds after this patch.

I think this should be all we need to support CoT for Fenix actions.

This patch removes `parameters` from the yml in favor of `push` based
on the taskgraph changes that need to happen.

Change required for adding 'Switch to tab' description for a suggestion that
represents an opened tab. Implemented in AC
(https://github.com/mozilla-mobile/android-components/pull/5773)

* Added UI tests for the basic settings menu

* Disabled toggleSearchSuggestions test