2.9 Gmoccapy: Entries cannot be changed in tool - and offset table widgets

[Sigma1912]

As reported on the forum:
https://forum.linuxcnc.org/gmoccapy/58997-gmoccapy-tool-table-not-accepting-lathe-tool-angles

Tracked to deprecated 'locale.format()'.

Affects the tool table and offset page.

[grandixximo]

fixed in #4250 merged