I'm developing custom widgets for WAB (Develper Edtion) 2.17, Launchpad Theme, on 3D Scenes (ArcGIS API for javascript 4.17)
I wnat to know how to change file themes\LaunchpadTheme\widgets\Header\Widget.js so that WAB oval "Header" widget will contain 2nd text box in addition to the current "Search" text box.
