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/components/Modal.tsx

@@ -3,7 +3,7 @@ import "./Modal.scss";
 import { createPortal } from "react-dom";
 import clsx from "clsx";
 import { KEYS } from "../keys";
-import { AppState } from "../types";
+import type { AppState } from "../types";
 import { useCreatePortalContainer } from "../hooks/useCreatePortalContainer";
 import { useRef } from "react";