[BUG] When loading save it only accepts .pm

[IdealistCat]

Expected Behavior

accepts .sb3, .sb2, .pm, and .pmp like the code suggests

Actual Behavior

accepts only .pm (but saves .pmp?)

Steps to Reproduce

1) save project (.pmp) 2) create new project 3) try to load project (.pmp) 4) fail 5) rename .pmp to .pm 6) load project 7) works.

Operating System and Browser

IpadOS 17.6.1 and Safari

[RedMan13]

we cant handle bugs with apple systems at all

[IdealistCat]

oh