Beam Studio v2.1.2

Added:

• Added the MacOS version prompt.
• Added the firmware version-related alerts.

Fixed:

• Fixed the preview error when previewing the first time.
• Fixed the preview error when previewing the left side of the screen.
• Fixed the engraving file time issue.
• Fixed the merge text path issue.
• Fixed the path preview crash issue.
• Fixed the move object layer-related functions.