I detached my Layers panel from QGIS (version 3.6.2) and now it will not dock.
I have already tried double clicking the top bar, this works for every window/panel apart from Layers. It simply will not go back.
Additionally if you look below the toolbar, this is the Vector Toolbar. I cannot get it to undock or resize to even show me the icons, they are lost forever.
Is there a config file or setting I can delete to revert to defaults for this?