Focus always moving to the assembly tree view when changing tabs

[siegfriedpammer]

Using the latest released version the focus behavior was as shown in the following gif:

Using latest master the behavior is as follows:

I have yet to determine the change that causes this deviation. For me this is only a minor distraction, because switching between tabs and tree nodes makes the screen flicker a bit more than usual. However, as we have seen previously, there are people who depend on accessibility software to use ILSpy, and I can image that this change causes some frustration, because the focus move is unanticipated.

While creating the above screen recordings, I noticed that the label of the assembly tree view content (previously labelled Assemblies) is now labelled ILSpy <version> - <assembly list name>, which was previously in the window title, not sure if this has some negative impact on accessibility...

/cc @tom-englert

[siegfriedpammer]

Note: looking at the recordings, it seems to me that the new behavior is that switching between tabs triggers a refresh/decompilation run.

[tom-englert]

I'll have a look on this