Statechart moves out of region when elements are moved

[SanniSch]

Do the following steps to see problem:

• Take an existing statechart model.
• add an element at the top of the region
• Move it several time to the top of the region. -> all other elements move downward and after some time out of the region (when e.g. a state is outside the region by doing this also its transition disappears).

-> Increase size of region when the chart becomes bigger.

[stmork]

+1

[SimonEit]

I can still reproduce this. It is rather a Bug than a usability issue i would say.