The TextEdit inside widgets::field took its natural height at the top of the
field, so vertical_align(Center) had no room to act and the placeholder sat
~2pt above the magnifier (Timeline, Project, Effects & Presets, Home).
(cherry picked from commit 6806eb4f7c955e87c6f2a5b01a9d80d43dd6ac58)
(cherry picked from commit af85d220bc337d5a3c6fa94b6fa315b0d3b0c09b)
(cherry picked from commit 685b7f2057839da1af9607dc0c93020f062a0946)