Update 1.2.4

Changelog

• Added the ability to resize Semisolids and other platforms using the CTRL key (Manual updated).
• Added the ability to move Mario around the editor screen by holding the C key (Manual updated).
• Fixed a bug where elements are placed behind the visibility toggle when it is pressed.
• Fixed incorrect Mario position when switching between edit and play mode.
• Fixed incorrect behaviour of heldable objects acting as trampolines.
• Fixed level files not being saved if they are placed in the same directory as the game executable (GameMaker-specific limitation, FMNS dependency is used as a workaround in-game).
• Changed default sleep margin (GameMaker-specific bug, fixes lag issue).
• Added context to error messages related to level files.
• Multiple UI and UX improvements.
• Updated reference URLs.