feat(FocusPicture): bump (#1273)

https://gitlab.gnome.org/GNOME/gtk/-/commit/a8255e32205b054425c5ba423d567fb4d922854d

Co-authored-by: Sergey Bugaev <bugaevc@gmail.com>

src/Widgets/FocusPicture.vala

@@ -40,8 +40,14 @@ public class Tuba.Widgets.FocusPicture : Gtk.Widget, Gtk.Buildable, Gtk.Accessib
 		set {
 			if (_content_fit == value) return;
 
+			bool queue_resize = value == Gtk.ContentFit.SCALE_DOWN || _content_fit == Gtk.ContentFit.SCALE_DOWN;
 			_content_fit = value;
-			this.queue_draw ();
+
+			if (queue_resize) {
+				this.queue_resize ();
+			} else {
+				this.queue_draw ();
+			}
 		}
 	}
 
@@ -193,6 +199,19 @@ public class Tuba.Widgets.FocusPicture : Gtk.Widget, Gtk.Buildable, Gtk.Accessib
 			);
 		}
 
+		if (for_size > 0 && _content_fit == Gtk.ContentFit.SCALE_DOWN) {
+			int opposite_intrinsic_size = 0;
+			if (orientation == Gtk.Orientation.HORIZONTAL) {
+				opposite_intrinsic_size = _paintable.get_intrinsic_height ();
+			} else {
+				opposite_intrinsic_size = _paintable.get_intrinsic_width ();
+			}
+
+			if (opposite_intrinsic_size != 0 && opposite_intrinsic_size < for_size) {
+				for_size = opposite_intrinsic_size;
+			}
+		}
+
 		if (orientation == Gtk.Orientation.HORIZONTAL) {
 			_paintable.compute_concrete_size (
 				0,