Gaphas logical and data ports on vertical edge move if state is moved against parent horizontal edge

The Title is already description enough. Procedure would be:
* create a state machine
* add a state
* move it to the left or right boundary of the root state and watch the ports moving

Only in rare cases the meta data is assigned to meta data dictionary of respective state model (no clear procedure to reproduce this). So in general it is annoying and on the other hand an inconsistency between gaphas view and model meta data dictionary.

Originally created by @Rbelder at 2017-09-26 13:50:37+00:00 (moved from RMC internal repository)