Vivecraft

• fix leash position in seated mode
• fix rare crash with menuworld loading on abort
• fix crash because of heap memory corruption when menuworlds are loaded with modernfix installed
• fix run in place movement mode moving in the wrong directions

modcompat:

• fixed menuworld loading with serene seasons installed
• fixed menuworld loading with alex's mobs installed
• fixed menuworld loading with L_Ender's Cataclysm installed
• fixed Blur mod blurring the screen in VR