Path: 3D Surface and Waterline fixes per forum identification

[Russ4262]

Fixes include:

1. Fix missing connections between tasks panel and operation in Gui module and UI panel.
2. Fix paths cutting through model. This needs more testing.
3. Fix AvoidLastX_Faces breakage of 3D Surface.
4. Add missing cut patterns to enumerations list.
5. Improvements to debug messages and temporary object creation.
6. Fixes STL creation issue identified in forum at Error at 3D Surfaceing.

Forum identification and discussion also at Re: Separate 3D Surface and Waterline (new feature) [Merged].

Not all issues identified in the linked forum post are resolved here due to inability to reproduce them on my Windows 10 machine.

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