fix(library): a server's frames stand at the shape the server stated, not at a guess

docker/frontend/src/Library.tsx

@@ -2101,7 +2101,10 @@ function Catalogue({ admin, user }: { admin: boolean; user: User | null }) {
     let sum = 0;
     for (const ar of wallAr.values()) sum += ar;
     const fallback = wallAr.size ? sum / wallAr.size : WALL_AR;
-    return listed.map((photo) => wallAr.get(photo.id) ?? fallback);
+    // A frame Immich holds already said its own shape, so it is measured off
+    // nothing and stays where it was laid: `wallAr` is for the frames on the disk,
+    // which nobody has opened yet.
+    return listed.map((photo) => photo.ar ?? wallAr.get(photo.id) ?? fallback);
     // `arsAt` is the shape map having grown: the numbers are read off it and not
     // off the list, so nothing else here would make the shelf look again.
   }, [listed, arsAt]);
@@ -3320,7 +3323,12 @@ function Catalogue({ admin, user }: { admin: boolean; user: User | null }) {
                                         }}
                                         onContextMenu={(e) => handlePhotoContextMenu(photo, e)}
                                       >
-                                        {tile(photo, undefined, (ar) => onAr(photo.id, ar))}
+                                        {tile(photo, undefined, (ar) => {
+                                          // Only a frame whose shape is not known
+                                          // already is worth laying the shelf out
+                                          // again for.
+                                          if (photo.ar === undefined) onAr(photo.id, ar);
+                                        })}
                                         {/* The score over the picture, the same five
                                             stars the stage gives: the wall is where a
                                             roll is gone through, and going back to the