This commit reverts:

https://github.com/mate-desktop/caja/commit/4c130e22b98bbc1a85747adac3b582e45d34514e
https://github.com/mate-desktop/caja/commit/ac12e6d16f4a51b3327d013781e72cfec17f3624
https://github.com/mate-desktop/caja/commit/17b3c0ca924ffcd4bd06fded98227eba626d4f0b
https://github.com/mate-desktop/caja/commit/42c8d2c3373c25d6e321be6950997c0d7ce44279

And it applies an alternative to fix the deprecated functions:

gdk_screen_get_width
gdk_screen_get_height

gdk_screen_width
gdk_screen_height

caja-places-sidebar: revert all kludges for eject behavior: Revert
https://github.com/mate-desktop/caja/commit/d14fef384a435471860130f7337d5dea5bb824a0
https://github.com/mate-desktop/caja/commit/9b2e152876067aaee3baa699c51c6c6174d4954e
and
https://github.com/mate-desktop/caja/commit/30f19d0aed3e40a3682f820059ebb8b3038ba84e
the last being a subset of a commit we'll apply later

caja-places-sidebar: fix eject button hover, eject behavior
Apply https://github.com/GNOME/nautilus/commit/f294a4e80626793624d76d6002b094d1c0809de4
"Fix up eject button hover in places sidebar"
We were calling gtk_tree_view_column_cell_get_position() without properly loading the cell attribute
for the right row before. We fix this by calling gtk_tree_view_column_cell_set_cell_data().
With this in place we can also use the x_offset for the position and avoid the whole summing of widths.
Due to a bug in Gtk which expands the eject icon cell renderer we have to right align it so that it
lines up properly.
https://bugzilla.gnome.org/show_bug.cgi?id=640741

caja-places-sidebar: disable overlay scrollbar
disable overlay scrollbars as they force the use of too much padding

Fixes https://github.com/mate-desktop/caja/issues/698

Fixes https://github.com/mate-desktop/caja/issues/859

like it was with GTK+2

this menu item is only visible when list view is selected,
so I'm not surprised we missed it