LO 4.1.1.2 Calc, Lost current toolbar when back from fullscreen

I upgraded from 4.0.5 to 4.1.1.2 .
After i use FULLSCREEN mode in calc I lost all my toolbar expect Formula Bar.
Then I will select other toolbar everytime.
How can I fix this problem

Who can tell me?
I think this a BUG in LO 4.1.1.2 and found this problem in LO 4.1.2.2 ,too.

I found it again in LO 4.1.2.3