[FIX] hr_timesheet_sheet - redefine _check_sheet_state to make sure it controls the right timesheet_sheet to make sure it isn't possible to timesheet on a already confirmed or closed timesheet_sheet
[FIX] hr_timesheet_sheet - redefine _check_sheet_state to make sure it
controls the right timesheet_sheet to make sure it isn't possible to
timesheet on a already confirmed or closed timesheet_sheet

https://launchpad.net/bugs/1190934
grap/OCB,OpenPymeMx/OCB,camptocamp/ngo-addons-backport,camptocamp/ngo-addons-backport,gdgellatly/OCB1,grap/OCB,grap/OCB,OpenPymeMx/OCB,vrenaville/ngo-addons-backport,gdgellatly/OCB1,OpenPymeMx/OCB,vrenaville/ngo-addons-backport,credativUK/OCB,grap/OCB,grap/OCB,camptocamp/ngo-addons-backport,OpenPymeMx/OCB,vrenaville/ngo-addons-backport,credativUK/OCB,gdgellatly/OCB1,camptocamp/ngo-addons-backport,gdgellatly/OCB1,camptocamp/ngo-addons-backport,OpenPymeMx/OCB,OpenPymeMx/OCB,vrenaville/ngo-addons-backport,gdgellatly/OCB1,credativUK/OCB,vrenaville/ngo-addons-backport,vrenaville/ngo-addons-backport,gdgellatly/OCB1,grap/OCB,gdgellatly/OCB1,credativUK/OCB,vrenaville/ngo-addons-backport,credativUK/OCB,camptocamp/ngo-addons-backport,camptocamp/ngo-addons-backport,gdgellatly/OCB1,credativUK/OCB,vrenaville/ngo-addons-backport,camptocamp/ngo-addons-backport,credativUK/OCB,credativUK/OCB,grap/OCB,grap/OCB,OpenPymeMx/OCB,OpenPymeMx/OCB