[gnome-shell] (18 commits) Non-fast-forward update to branch uajain/adapt-user-avatar-part2

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'uajain/adapt-user-avatar-part2' 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:

  234c0fe... unlockDialog: Create auth prompt on demand
  4f51e5d... screenShield: Rework key focus management
  f0ab0da... screenShield: Cleanup _ensureUnlockDialog
  d191363... screenShield: Remove lock screen group from Crtl-Alt-Tab ma
  cbe3734... background: Remove noise texture
  f8d896a... background: Update default background color
  cd0c19d... unlockDialog: Add .critical CSS class to critical notificat
  5cc6427... userWidget: Allow vertical orientation for user avatars
  14b5228... authPrompt: Remove Next button and its references
  9b580d8... authPrompt: Move cancel button, entry and spinner to a sing
  137930f... authPrompt: Iconize the cancel button
  395ad46... unlockDialog: Remove 'Login as another user' Label
  9260535... authPrompt: Add "Enter Password" as password-entry hint-tex
  d8679d4... authPrompt: Do not display "Password:" Label
  bd1188b... theme: Add top padding to unlock-dialog-clock-time
  29b631b... loginDialog: Apply CSS to sessionMenuButton according to mo
  05a8790... loginDialog: Move and relayout sessionMenuButton to bottom 
  740260b... userWidget: Adapt if user is not mentioned for username log
  559d696... userWidget: Revamp username-based login flow

Commits added to the branch:

  c8f630c... unlockDialog: Add .critical CSS class to critical notificat (*)
  c9ebd56... unlockDialog: Create auth prompt on demand (*)
  e61750b... screenShield: Rework key focus management (*)
  bcef162... screenShield: Cleanup _ensureUnlockDialog (*)
  46ae6bc... screenShield: Remove lock screen group from Crtl-Alt-Tab ma (*)
  3306325... background: Remove noise texture (*)
  e9da293... userWidget: Allow vertical orientation for user avatars
  a87c15d... authPrompt: Remove Next button and its references
  300e985... authPrompt: Move cancel button, entry and spinner to a sing
  3dc8e6f... authPrompt: Iconize the cancel button
  200f541... unlockDialog: Remove 'Login as another user' Label
  912ffc5... authPrompt: Add "Enter Password" as password-entry hint-tex
  c3267ba... authPrompt: Do not display "Password:" Label
  37eb564... theme: Add top padding to unlock-dialog-clock-time
  17bf6a5... loginDialog: Apply CSS to sessionMenuButton according to mo
  31bc906... loginDialog: Move and relayout sessionMenuButton to bottom 
  d7e3e13... userWidget: Adapt if user is not mentioned for username log
  de59ca2... userWidget: Revamp username-based login flow

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