Start of rebase process doesn't show log tab by default

What steps will reproduce the problem?

1. Open rebase window
2. Chose upstream and click Start Rebase

What is the expected output? What do you see instead?

TortoiseGit shows log tab and rebase process is going on
TortoiseGit shows conflict files tab and rebase process is going on

What version of TortoiseGit and Git are you using? On what operating system?

TortoiseGit 2.7.0.0
git version 2.19.0.windows.1

Please provide any additional information below.

This is important because if the first step (checkout to the new base) takes a long time (big diff + LFS) TortoiseGit looks like it is frozen