Revert "force line-buffered stdout if stdout is not a tty"

This reverts commit deb48ff48b186ff77a7e9d3b3ab724ff4c3c340f.

Fixes: https://github.com/djpohly/dwl/issues/253

implement ext-session-lock-v1

Revert "remove unneeded changes in commitnotify()"

This reverts commit 30c24a53ad2aaa842bc3b028ba0b98e3362dad7c.

Bug: https://github.com/djpohly/dwl/issues/349

Revert "fix flickering when resizing/spawning windows"

This reverts commit 017bb7d7521f68d37bfe656c10f45edbcc92dd61.

Bug: https://github.com/djpohly/dwl/issues/349

return early if couldn't find the popup's parent

fix popups appearing outside the monitor

and a potentially crash

bump version to 0.4-rc2

improve type safety of toplevel_from_wlr_surface()

merge toplevel_from_{wlr_layer_surface,popup} into client_from_wlr_surface

now it is a big function called toplevel_from_wlr_surface

sort client_get_parent()

remove unneeded call to wlr_scene_rect_set_color()

wlr_scene_rect_create() requires a color as parameter

add option for set button map

fix null deref in sigchld() if Xwayland is disabled

remove unneeded changes in commitnotify()

fix flickering when resizing/spawning windows

Fixes: https://github.com/djpohly/dwl/issues/306

use root surfaces to check idle inhibitors

References: https://github.com/djpohly/dwl/pull/343

Revert "Check that inhibitor scene tree is not null"

This reverts commit 9c155eefdc018f878ea6950e6bd383b985401339.

This commit was applied just a workaround, the proper fix is the next commit

Check that inhibitor scene tree is not null

chase default terminal in manpage after 7710cf050d1a

bump version to 0.4-rc1