feat: support frames via programmatic API (#7205)

* update frame id post generation

* support frames via programmatic API

* fix types

* add test for frames

* throw error when element doesn't exist

* naming tweaks

* update the api to use children

* consider max of frame dimensions and calculated bounds of elements

* consider bound elements in frame api

src/element/newElement.ts

@@ -144,13 +144,15 @@ export const newEmbeddableElement = (
 };
 
 export const newFrameElement = (
-  opts: ElementConstructorOpts,
+  opts: {
+    name?: string;
+  } & ElementConstructorOpts,
 ): NonDeleted<ExcalidrawFrameElement> => {
   const frameElement = newElementWith(
     {
       ..._newElementBase<ExcalidrawFrameElement>("frame", opts),
       type: "frame",
-      name: null,
+      name: opts?.name || null,
     },
     {},
   );