fix: add constants and side methods to packages (#10418)

* fix: add constants and side methods to packages

* add transform to the element package

* lint

* remove dead code

* put transform types back to transform.ts

* fix imports

* fix imports in test

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

packages/excalidraw/fonts/Fonts.ts

@@ -4,6 +4,7 @@ import {
   CJK_HAND_DRAWN_FALLBACK_FONT,
   WINDOWS_EMOJI_FALLBACK_FONT,
   getFontFamilyFallbacks,
+  FONT_SIZES,
 } from "@excalidraw/common";
 import { getContainerElement } from "@excalidraw/element";
 import { charWidth } from "@excalidraw/element";
@@ -240,7 +241,7 @@ export class Fonts {
     for (const [index, fontFamily] of fontFamilies.entries()) {
       const font = getFontString({
         fontFamily,
-        fontSize: 16,
+        fontSize: FONT_SIZES.sm,
       });
 
       // WARN: without "text" param it does not have to mean that all font faces are loaded as it could be just one irrelevant font face!