[gnome-software] (15 commits) ...Merge branch '1111-app-context-tile-dialogues' into 'main'

[Philip Withnall <pwithnall src gnome org>]

Summary of changes:

  9793dc8... gs-app: Add property for gs_app_get_origin_ui()
  2e4703c... gs-common: Add fallback copy of g_clear_signal_handler()
  dceb7db... data: Add icons for content rating attributes
  dbc0912... gs-context-dialog-row: Add new context dialog row widget
  aac0680... data: Add test-pass icon
  6a6ea51... stylesheet: Support the toolbox style
  780bf2f... gs-safety-context-dialog: Add safety context dialogue
  304cdc1... gs-hardware-support-context-dialog: Add hardware support co
  c8d8915... gs-age-rating-context-dialog: Add age rating context dialog
  95b4047... gs-app-context-bar: Hook up the context dialogues to the ti
  5a04af0... gs-app-context-bar: Fix indentation in UI file
  687ebc8... gs-app-context-bar: Factor out hardware support code
  ca0823a... gs-app-context-bar: Factor out age rating code
  4b7d26d... style: Fix the content tile borders
  6e867bb... Merge branch '1111-app-context-tile-dialogues' into 'main'