Start/end the album art zoom fully zoomed out, not zoomed in

Swapped the keyframes so scale=1.0 (full frame) is the loop's start/end
state and the zoom-in happens at the midpoint, matching how it's meant to
read: settle on the full picture, breathe in, breathe back out.

subwave_nowplaying.star

@@ -86,10 +86,11 @@ def main(config):
 
     return render.Root(child = content)
 
-# Album art gets a slow "Ken Burns" breathing effect: eases from the full
+# Album art gets a slow "Ken Burns" breathing effect: starts and ends on
-# frame in to a zoomed-in crop, then back out, on a continuous loop -- not
+# the full frame, easing in to a zoomed-in crop at the midpoint, on a
-# a one-shot reveal. A one-shot version (start zoomed in, end on the full
+# continuous loop -- not a one-shot reveal. A one-shot version (start
-# frame, then hold) looked jumpy: since the app re-renders on NOWPLAYING_TTL
+# zoomed in, end on the full frame, then hold) looked jumpy: since the app
+# re-renders on NOWPLAYING_TTL
 # and each fresh render restarts its own animation from tick 0, whatever the
 # *previous* pushed image happened to be showing at that moment gets
 # abruptly replaced by a fresh zoomed-in frame. The back-and-forth loop
@@ -129,16 +130,16 @@ def _art_widget(art_bytes):
         keyframes = [
             animation.Keyframe(
                 percentage = 0.0,
-                transforms = [animation.Scale(ART_ZOOM_SCALE, ART_ZOOM_SCALE)],
+                transforms = [animation.Scale(1.0, 1.0)],
             ),
             animation.Keyframe(
                 percentage = 0.5,
-                transforms = [animation.Scale(1.0, 1.0)],
+                transforms = [animation.Scale(ART_ZOOM_SCALE, ART_ZOOM_SCALE)],
                 curve = "ease_in_out",
             ),
             animation.Keyframe(
                 percentage = 1.0,
-                transforms = [animation.Scale(ART_ZOOM_SCALE, ART_ZOOM_SCALE)],
+                transforms = [animation.Scale(1.0, 1.0)],
                 curve = "ease_in_out",
             ),
         ],