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

docker/frontend/src/engine/library.ts

@@ -140,6 +140,12 @@ export interface LibraryPhoto {
   // route above reads the frame by, and the server says which key fetches it.
   remoteId?: string;
   server?: string;
+  // The frame's shape — width over height — as the server stated it, on a frame
+  // Immich holds. A frame on the disk has none: a scan reads a date and a size off
+  // it and never opens it. Where it is here the wall is laid out right the first
+  // time, instead of standing every frame of a node at one guessed rectangle and
+  // moving every row below it as the pictures arrive.
+  ar?: number;
   // The tile the catalogue kept of this frame, where one has been made: it is
   // made when the frame is first drawn and not when it is found, so a frame just
   // read has none. Null is the same as absent — a tile that could not be made.