get_mini_icon

Gets the mini-icon to be used for this.

If no mini-icon is set for this, a suboptimal heuristic is used to find an appropriate icon. If no mini-icon was found, a fallback mini-icon is used.

Parameters:

this	a Application.

Returns:

the mini-icon for this. The caller should reference the returned Pixbuf if it needs to keep the mini-icon around.