hg: openjfx/jfx-dev/rt: 8193502: [Linux] Dialog height switches between correct and too small when showing and hiding a Dialog repeatedly

[kevin.rushforth at oracle.com]

Changeset: f1d0e1fd236b
Author:    kcr
Date:      2019-05-08 10:54 -0700
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/f1d0e1fd236b

8193502: [Linux] Dialog height switches between correct and too small when showing and hiding a Dialog repeatedly
Reviewed-by: kcr, pbansal
Contributed-by: thiago.sayao at clamed.com.br

! modules/javafx.graphics/src/main/native-glass/gtk/glass_window.cpp
+ tests/system/src/test/java/test/robot/javafx/scene/dialog/DialogRepeatedShowHideTest.java