stethoscope offset scale fix

[satabol]

Windows 11, Blender 3.4.1, Sverchok-master

Proposal to fix #4709

If Blender ui scale in preferences set to non 1.0 then offset of stethoscope show text in unexpected location:

Position of text look good after fix:

[satabol]

I found problem like this in: #4247 with closed in 2409d84

[portnov]

@satabol doesn't this fix break behaviour on blender < 3.4?
If it does, please add a check (bpy.app.version >= ...) before applying the scale fix.

[Durman]

It does not work when Resolution Scale is changed before Stethoscope is added.