Polygon geometry recording v1.8.36

The main polygon geometry feature branch.

It consists of 3 subtasks, which was

• #150 (closed)
• #151 (closed)
• #152 (closed)

These issues are closed now. Sub merge requests was approved, these are:

• !85 (merged)
• !86 (merged)
• !87 (merged)

This MR merges the new feature into testing.

Must be merged after !91 (merged), and tested after resolving conflicts.