[epiphany] (5 commits) Non-fast-forward update to branch wip/exalm/extensions

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/extensions' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  dcedfb8... web-extensions-dialog: Use GtkFileChooserNative
  00856d8... page-menu-popover: Change extensions mnemonic
  7403bdc... web-extensions-dialog: Polish the UI

Commits added to the branch:

  fab2c8d... Set floating bar alignment based on enter-notify-event (*)
  d811ecf... Fix entry icon spacing and margins (*)
  e41295d... web-extensions-dialog: Use GtkFileChooserNative
  107d686... page-menu-popover: Change extensions mnemonic
  51533c4... web-extensions-dialog: Polish the UI

(*) This commit already existed in another branch; no separate mail sent