pgAdmin 4 commit: Show horizontal scrollbar when needed in the menubar

Show horizontal scrollbar when needed in the menubar in the lower
resolution, when navbar button is visible.

Added appropriate CSS in the .navbar-collapse class to show scrollbar
in screen resolution (992px widith)

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=1366dd1fcd84a70694441db0c33d66dbbd9f1873

Modified Files
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web/pgadmin/static/scss/_bootstrap.overrides.scss | 7 +++++++
1 file changed, 7 insertions(+)