File-open dialogues: some icons do not appear until moused-over
Steps to reproduce
Open a file-opening window in either Xed or SublimeText or quite possibly other applications. Scroll down a bit. Look for missing icons.
Current behavior
In file-open dialogues: some icons do not appear until moused-over
Expected outcome
In file-open dialogues, Icons should not need to be moused-over to appear.
Version information
Linux Mint 19.1 x64 Cinnamon
GTK version: I am unsure - I have the following packages.
gtk-3-examples/bionic 3.22.30-1ubuntu1 amd64
gtk-chtheme/bionic 0.3.1-5ubuntu2 amd64
gtk-clearlooks-gperfection2-theme/bionic,bionic 1.1-0ubuntu3 all
gtk-doc-tools/bionic,bionic 1.27-3 all
gtk-gnutella/bionic 1.1.8-2 amd64
gtk-gnutella-dbg/bionic 1.1.8-2 amd64
gtk-im-libthai/bionic 0.2.1-8 amd64
gtk-recordmydesktop/bionic,bionic 0.3.8-4.1ubuntu1 all
gtk-redshift/tessa,tessa 1.11-1ubuntu1mint1 all
gtk-sharp2/bionic,bionic 2.12.40-2 all
gtk-sharp2-examples/bionic,bionic 2.12.40-2 all
gtk-sharp2-gapi/bionic 2.12.40-2 amd64
gtk-sharp3/bionic 2.99.3-2 amd64
gtk-sharp3-examples/bionic,bionic 2.99.3-2 all
gtk-sharp3-gapi/bionic 2.99.3-2 amd64
gtk-theme-switch/bionic 2.1.0-5build1 amd64
gtk-update-icon-cache/bionic,now 3.22.30-1ubuntu1 amd64 [installed,automatic]
gtk-vector-screenshot/bionic 0.3.2.1-2build1 amd64
gtk2-engines/bionic 1:2.20.2-5 i386
gtk2-engines-aurora/bionic 1.5.1-4 amd64
gtk2-engines-blueheart/bionic,bionic 0.20070123-0ubuntu2 all
gtk2-engines-cleanice/bionic 2.4.1-3 amd64
gtk2-engines-equinox/bionic 1.50-0ubuntu4 amd64
gtk2-engines-moblin/bionic 1.1.1-1.1 amd64
gtk2-engines-murrine/bionic 0.98.2-2ubuntu1 i386
gtk2-engines-nodoka/bionic 0.7.2-0ubuntu3 amd64
gtk2-engines-oxygen/bionic 1.4.6-1ubuntu1 i386
gtk2-engines-pixbuf/bionic,now 2.24.32-1ubuntu1 amd64 [installed]
gtk2-engines-qtcurve/bionic 1.8.18+git20160320-3d8622c-5build4 amd64
gtk2-engines-sugar/bionic 0.112-1 amd64
gtk2-engines-wonderland/bionic 1.0-11 amd64
gtk2-engines-xfce/bionic 3.2.0-3 amd64
gtk2-ex-formfactory-perl/bionic,bionic 0.67-0ubuntu1 all
gtk2.0-examples/bionic 2.24.32-1ubuntu1 amd64
gtk2hs-buildtools/bionic 0.13.3.1-1 amd64
gtk3-engines-breeze/bionic-updates,bionic-updates 5.12.7-0ubuntu0.1 all
gtk3-engines-unico/bionic 1.0.3+14.04.20140109-0ubuntu1 amd64
gtk3-engines-xfce/bionic 3.2.0-3 amd64
gtk3-im-libthai/bionic 0.2.1-8 amd64
gtk3-nocsd/bionic,bionic 3-1ubuntu1 all
gtkam/bionic 1.0-3 amd64
gtkam-gimp/bionic 1.0-3 amd64
gtkatlantic/bionic 0.6.2-2 amd64
gtkballs/bionic 3.1.5-11 amd64
gtkboard/bionic 0.11pre0+cvs.2003.11.02-7build1 amd64
gtkcookie/bionic 0.4-7 amd64
gtkguitune/bionic 0.8-6ubuntu3 amd64
gtkhash/bionic 1.1.1-2 amd64
gtklick/bionic,bionic 0.6.4-5 all
gtklp/bionic 1.3.1-0.1build1 amd64
gtkmm-documentation/bionic,bionic 3.22.0-2 all
gtkmorph/bionic 1:20140707+nmu2build1 amd64
gtkmorph-example/bionic,bionic 1:20140707+nmu2build1 all
gtkorphan/bionic,bionic,now 0.4.4-2 all [installed]
gtkperf/bionic,now 0.40+ds-2build1 amd64 [installed]
gtkpod/bionic 2.1.5-6 amd64
gtkpod-data/bionic,bionic 2.1.5-6 all
gtkpod-dbg/bionic 2.1.5-6 amd64
gtkpool/bionic 0.5.0-9build1 amd64
gtkterm/bionic 0.99.7+git9d63182-1 amd64
gtkwave/bionic 3.3.86-1 amd64
Additional information
I would provide a video, but Mint's inbuilt video-recorder is currently broken and crashes the computer (!).
Edited by Emmanuele Bassi