Favorites and Ctrl+F

What's Changed

• You can now favorite nodes! Favorites show in the Favorites tab. You can build a "map" of the relevant locations in the build tree.
• Press Ctrl+F on a node with lots of children and filter the children by substring. Escape to clear filter or close, Enter to close the textbox.
• Add search menu for Top Expansive by @yuehuang010 in #754

Full Changelog: v2.2.176...v2.2.206