perf: improve new element drawing (#8340)

Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>

packages/excalidraw/element/newElement.ts

@@ -375,12 +375,13 @@ export const newFreeDrawElement = (
     type: "freedraw";
     points?: ExcalidrawFreeDrawElement["points"];
     simulatePressure: boolean;
+    pressures?: ExcalidrawFreeDrawElement["pressures"];
   } & ElementConstructorOpts,
 ): NonDeleted<ExcalidrawFreeDrawElement> => {
   return {
     ..._newElementBase<ExcalidrawFreeDrawElement>(opts.type, opts),
     points: opts.points || [],
-    pressures: [],
+    pressures: opts.pressures || [],
     simulatePressure: opts.simulatePressure,
     lastCommittedPoint: null,
   };