Update to playtest_beta

  • Fix support for older intel iGPUs

  • Fix filesystem search function, this broke hammer's texture and model browsers

  • Fix playermodel animation interpolation

  • Localized some stuff

  • Renamed dxsupport_mac.cfg to dxsupport_posix.cfg

  • Multiple improvements to panorama textentry control (New JS method called Submit, new property clearaftersubmit, support for modifier keys on Linux)

  • Updated v8 to 9.3