bitbake: toaster: Change "0 found" to "No found"

bitbake: toaster: Change "0 found" to "No found"

Change the string in the h1 when search returns no results
from "0 things found" to "None things found". The change
applies to the BitBake variables, tasks, recipes, packages
built, time, CPU and disk I/O tables.

[YOCTO #5981]

(Bitbake rev: 8d71bd39947dd909d02c8d33847e5852c9f20f19)

Signed-off-by: David Reyna <David.Reyna@windriver.com>
Signed-off-by: Belen Barros Pena <belen.barros.pena@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>