Fixed problem with deactivation of the tool.
Improvements to #78731: advances to buffer creation tool. Its almost working but for a problem with adding the buffer features through WFS.

This seems related to the WFS's payload not incluiding the workspace.
Advances for #78731: Buffer creation action is now finished.
Added doc.
Merge pull request #114 from luisromangz/8.5-SNAPSHOT-78731

Advances #78731: Create buffer feature finished.