start.cmd: fixed execution policy restriction due to accidental removal.

For some reason, commit d64c62f
accidentally removed the bypass execution policy causing an immediate
denial of use in new Windows system. Hence, we need to restore it back.

This patch restores and fixes execution policy restriction due to
accidental removal in the previous patch.

Reported-by: Shuralyov, Jean <jean.shuralyov@proton.me>
Co-authored-by: Shuralyov, Jean <jean.shuralyov@proton.me>
Co-authored-by: (Holloway) Chew, Kean Ho <hollowaykeanho@gmail.com>
Signed-off-by: (Holloway) Chew, Kean Ho <hollowaykeanho@gmail.com>

start.cmd

@@ -58,13 +58,13 @@ set _parameters=%*
 set _parameters=!_parameters:--=-!
 set _parameters=!_parameters:input=path!
 set _parameters=!_parameters:"=\"!
-call Powershell.exe -NoProfile -Command "& '%location%' %_parameters%"
+call Powershell.exe -NoProfile -executionpolicy bypass -Command "& '%location%' %_parameters%"
 EXIT /B
 
 :empty
 set location=%~dp0init\windows.ps1
 set location="%location%"
-call Powershell.exe -NoProfile -Command "& '%location%'"
+call Powershell.exe -NoProfile -executionpolicy bypass -Command "& '%location%'"
 ::##############################################################################
 :: Windows Main Codes                                                          #
 ::##############################################################################