Expand functionality of pattern editor and pattern editor pro

[Possum80]

Is your feature request related to a problem? Please describe. Pattern editor can only import and dump patterns.

Describe the solution you'd like

1. Expand function to enable changing design names

Describe alternatives you've considered A full pattern editor is likely to be beyond the scope of the project

[DrakanShadow]

Right now there is a roundabout way to do it. Dump the pattern and import over a pattern you created. This will make you the creator of the pattern letting you rename and edit it.

[berichan]

I am closing this issue as stale. Slightly more complex pattern editing was added with the PR noted above.