Custom Embed script (#469)

* Custom Embed script

* Fix redirecting whene embedded

---------

Co-authored-by: Chirag Chhatrala <chirag.chhatrala@gmail.com>

client/components/pages/forms/show/EmbedCode.vue

@@ -49,11 +49,8 @@ export default {
   computed: {
     embedCode() {
       // eslint-disable no-useless-escape
-      return `
-        <script type="text/javascript" src="${appUrl("/widgets/iframeResize.min.js")}"><\/script>
-        ${this.iframeCode}
-        <script type="text/javascript">iFrameResize({log: false, checkOrigin: false}, "#${this.iframeId}");<\/script>
-`
+      return `<script type="text/javascript" data-form-slug="${this.iframeId}" src="${appUrl("/widgets/iframe.min.js")}"><\/script>
+        ${this.iframeCode}`
     },
     iframeCode() {
       const share_url = this.extraQueryParam