refactor(editor): ♻️ Undo / Redo buttons + structure refacto

Yet another huge refacto... While implementing undo and redo features I understood that I updated the stored typebot too many times (i.e. on each key input) so I had to rethink it entirely. I also moved around some files.

apps/builder/components/shared/Graph/Nodes/StepNode/SettingsPopoverContent/SettingsModal.tsx

@@ -0,0 +1,34 @@
+import {
+  Modal,
+  ModalOverlay,
+  ModalContent,
+  ModalHeader,
+  ModalCloseButton,
+  ModalBody,
+  ModalFooter,
+  ModalBodyProps,
+} from '@chakra-ui/react'
+import React from 'react'
+
+type Props = {
+  isOpen: boolean
+  onClose: () => void
+}
+
+export const SettingsModal = ({
+  isOpen,
+  onClose,
+  ...props
+}: Props & ModalBodyProps) => {
+  return (
+    <Modal isOpen={isOpen} onClose={onClose}>
+      <ModalOverlay />
+      <ModalContent>
+        <ModalHeader />
+        <ModalCloseButton />
+        <ModalBody {...props}>{props.children}</ModalBody>
+        <ModalFooter />
+      </ModalContent>
+    </Modal>
+  )
+}