terminal: Only reset title if we put the window size there
terminal: Only reset title if we put the window size there

When resizing the terminal, it shows the grid size in the titlebar.
We reset the title next time we get an enter event.  This patch makes
sure we only reset the title the first time we enter after a resize.

Gnurou/weston,krezovic/weston,Fantu/compositor-spice,xorgy/weston,mchalupa/weston,Tarnyko/weston-xdg_surface_present,giucam/weston,kwm81/weston,Tarnyko/weston-xdg_surface_present,Gnurou/weston,sir-murray/weston,udoprog/weston,udoprog/weston,eyolfson/weston,eyolfson/weston,krezovic/weston,Fantu/compositor-spice,sir-murray/weston,giucam/weston,xorgy/weston,Fantu/compositor-spice,jonnylamb/weston,mchalupa/weston,kwm81/weston,jonnylamb/weston