Only enable the tab popup menu 'Detach Tab' for > 1 tabs.
author Kurt Hindenburg
()
committer Kurt Hindenburg
()
commit 1b2ba0ae777f520e024cce78fc14790d35b1e167
tree 5323a24493fa4619e6086df7857849e7c16f4ecf
parent eb9691d3f6a324c1801531ff2d3960b3656665fb
Only enable the tab popup menu 'Detach Tab' for > 1 tabs.

Currently you can Detach Tab if that tab is the only one; that
makes no sense and has no use.
(cherry picked from commit f3c529af6d86f607967c89d7f5792472b2f0f755)
src/ViewContainer.cpp