Added cancellation of project loading in IssueUpdateDialog when it is closed.
Added cancellation of project loading in IssueUpdateDialog when it is closed.

ramkrishanbhatt/gurtle,yanlinlin82/gurtle,ramkrishanbhatt/gurtle,ramkrishanbhatt/gurtle,zephyrer/gurtle,yanlinlin82/gurtle,yanlinlin82/gurtle,yanlinlin82/gurtle,zephyrer/gurtle,zephyrer/gurtle