build: enable consistent type imports eslint rule (#7992)

* build: enable consistent type imports eslint rule

* change to warn

* fix the warning in example and excalidraw-app

* fix packages

* enable type annotations and throw error for the rule

packages/excalidraw/element/bounds.test.ts

@@ -1,7 +1,7 @@
 import { ROUNDNESS } from "../constants";
 import { arrayToMap } from "../utils";
 import { getElementAbsoluteCoords, getElementBounds } from "./bounds";
-import { ExcalidrawElement, ExcalidrawLinearElement } from "./types";
+import type { ExcalidrawElement, ExcalidrawLinearElement } from "./types";
 
 const _ce = ({
   x,