Adds a new operator to automatically rotate UV Islands into alignment. Modes: * Auto (All edges) * Geometry (V direction will point in geometry direction) [1] * Edge (Rotate until selected edge is in V direction) Also adds uv_sync_selection support to UV Randomize Transform. Resolves: T78399 Differential Revision: https://developer.blender.org/D15820 [1] Listed as "World" in Task description.