When editing an existing pollarpatern, occurrences value falls back to 1, loosing previous value.

OS: Windows 10 Version 2009
Word size of FreeCAD: 64-bit
Version: 2023.114.26244 +5346 (Git)
Build type: Release
Branch: LinkDaily
Hash: 734bfcf
Python version: 3.10.8
Qt version: 5.15.6
Coin version: 4.0.1
OCC version: 7.6.3
Locale: French/France (fr_FR)