overview/main.qml: Hide WindowHeap when searching if filterWindows setting is toggled off
If the "Search results include filtered windows" is off, only show WindowHeap if there is no search text inputted.
BUG:493112 FIXED-IN: 6.2.0
(cherry picked from commit a8deb692)
a8deb692 overview/main.qml: Hide WindowHeap when searching if filterWindows setting is toggled off
Co-authored-by: Akseli Lahtinen akselmo@akselmo.dev