Updated adwaita-icon-theme to 3.22.0.

3.22.0
  - simplified input-table-symbolic
  - opacity fixes for networking-vpn-acquring
  - invisible go-down-symbolic

3.21.91
  - user-available-symbolic transparency fix
  - calculator app icon update
  - fixed cursors
  - folder-download-symbolic style fixes
  - vertical visual centering for go-up, go-down-symbolic icons

3.21.2
  - network-wireless-connected improvements
  - document-edit, text-editor, modem-symbolic shape improvement
  - baseline-align folders
  - reshape folders
  - add a context-menu cursor
  - improve grab and dnd-no-drop cursors

(wiz)