bitbake: Hob: force notebook refresh

Redraw the entire notebook widget after
number-of-issues drawable is incremented
(because for this case, the notebook widget
doesn't refresh it's children automatically).

[YOCTO #5596]

(Bitbake rev: 347b2ead091f00ee60703f6f3d17cfdd9075ac07)

Signed-off-by: Valentin Popa <valentin.popa@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/crumbs/builddetailspage.py

@@ -185,6 +185,7 @@ class BuildDetailsPage (HobPage):
     def show_issues(self):
         self.num_of_issues += 1
         self.notebook.show_indicator_icon("Issues", self.num_of_issues)
+        self.notebook.queue_draw()
 
     def reset_issues(self):
         self.num_of_issues = 0