Release notes 2.1.0 EA

This release of PushEd brings overhauled UI code, more configuration options via macros, multiple bug fixes and other minor improvements.

Updated used version of GameMaker to IDE v2024.6.2.162 Runtime v2024.6.1.208. If something breaks, please make sure you are using at least this version of GM before reporting a bug.
Changed naming of almost all GUI-related resources from "PEd_GUI" to "FORMS_" and moved them into a separate folder called "Forms". This includes a massive overhaul to the GUI system on a technical level. Individual changes are omitted from this changelog, since there would be too many!
Changed the tile editing tools on the top left to be visible only when in the tile edit mode.
Added new macro PEd_CUSTOM_PIVOT, which you can set to true if you would like to implement a custom pivot object and behavior and disable the built-in one. Defaults to false.
Added new macro PEd_CUSTOM_SELECTION, which you can set to true if you would like to implement a custom system for selecting instances. and disable the built-in one. Defaults to false.
Added new enum PEd_EModes, which lists allowed drawing modes (2D/3D/both).
Added new macro PEd_ALLOWED_MODES, using which you can configure which edit modes out of 2D and 3D are allowed. Defaults to PEd_EModes.Both (both edit modes are allowed).
Added new macro PEd_ENABLE_TILES, using which you can enable (true) or disable (false) tile edit mode. Defaults to enabled (true).
Added new macro PEd_EDITOR_ROOM, which is the level editor room. Defaults to PEd_RmEditor.
Fixed a bug where contents of UI panels were randomly disappearing.
Fixed Backspace not working in input fields on macOS.
Fixed function PEd_InstanceSave not saving instance name and code.
Fixed functions PEd_InstanceGetScaleVec2 and PEd_InstanceGetScaleVec3 returning incorrect vectors.
Fixed crash in function PEd_RoomGetInstances.
Fixed crash in function PEd_RoomGetId.
Fixed crash in function PEd_CodeProcess.
Other minor fixes and improvements...