Update v0.120 (2021-07-25)

- [Changed] a lot of UI elements to a "rounder" look and keep the possibility to add fast more functions
- [Changed] the "New"-Window layout.
- [Changed] "Import..." to "New From Texture"
- [Changed] the "New From Texture"-Window layout.
- [Changed] the "Import Texture..."-Window layout.
- [Changed] the "Project Settings"-Window layout.
- [Changed] moved "Import Mesh" from "Bake" to "File"
- [Added] a missing Third-Party Licenses
- [Added] the possibility to load a preview mash already in the "New"-Window.
- [Added] a new "Import Texture Window" to import textures to any Channel and aligning it.
- [Added] a "Remove Mesh" button in the "Project Settings"
- [Fixed] a bug at the Brush Tool (3D Previewspace), which ensured that a line was drawn between the last drawing point of an old brushstroke and the starting point of the new brushstroke.
- [Fixed] a bug at the Brush Tool (3D Previewspace), which could cause lags and framerate drops after drawing long brushstroke.
- [Fixed] a crash which occur while drawing in 3D space on a tileable texture without mesh