[MSIX] Runtime fixes (Package Support Framework)

• [MSIX] Apply custom fixup
• [MSIX] Apply DLL fixup
• [MSIX] Apply Environment variable fixup
• [MSIX] Apply File redirection fixup
• [MSIX] Apply Registry Legacy fixup
• [MSIX] Run PowerShell end script
• [MSIX] Run PowerShell start script
• [MSIX] Set App working dir and arguments