Better defaults for user popovers

Overlay popovers are fancy but non-overlay are easier to use.

src/modules/config.js

@@ -83,8 +83,8 @@ export const defaultState = {
   useContainFit: true,
   disableStickyHeaders: false,
   showScrollbars: false,
-  userPopoverAvatarAction: 'close',
-  userPopoverOverlay: true,
+  userPopoverAvatarAction: 'open',
+  userPopoverOverlay: false,
   sidebarColumnWidth: '25rem',
   contentColumnWidth: '45rem',
   notifsColumnWidth: '25rem',