Click on point entity shows choropleth popup

[nesnoj]

When choropleth is active, clicking on a power unit (or other point entity) always shows the choropleth popup.
Both objects' popups should be accessible, depending on what is clicked on.

[nesnoj]

Solved in rl-institut/digiplan#393 , I'll integrate here

[nesnoj]

depends on #12

[henhuy]

Solved in rl-institut/digiplan#393 , I'll integrate here

This is actually a different bug - showing an empty popup.
-> point popup depends on order of Popups - but luckily I fixed this in #12
So merging it solves two problems

Nevertheless, #393 must still be implemented here

[henhuy]

Nevertheless, #393 must still be implemented here

In fact, this is also covered by updating mapeninge...

[henhuy]

In fact, this is also covered by updating mapeninge...

This is not true. Fixed it in newest mapengine version v0.18.3.
Add PR for this issue