[BUGFIX] NodeWrappingHandler should not intercept login redirect (Revision 2)

This change adds a check to the nodeWrappingHandler to throw
security exceptions if we are in the live workspace. Without this
it's currently not possible to trigger an login redirect from plugins

Change-Id: I640dc03f0cfdd73195c56a05a8cfb27a271c983f
Releases: master, 1.1, 1.0
Revision-Id: 8b4c25c985dec224e48f3240501f07a0ffb36207