feat: use server-actions for authoring flow

This change actually makes the authoring flow work for
the most part by tying in emailing and more.

We have also done a number of quality of life updates to
simplify the codebase overall making it easier to continue
work on the refresh.

apps/web/src/components/forms/edit-document/add-fields.action.ts

@@ -0,0 +1,31 @@
+'use server';
+
+import { getRequiredServerComponentSession } from '@documenso/lib/next-auth/get-server-session';
+import { setFieldsForDocument } from '@documenso/lib/server-only/field/set-fields-for-document';
+
+import { TAddFieldsFormSchema } from './add-fields.types';
+
+export type AddFieldsActionInput = TAddFieldsFormSchema & {
+  documentId: number;
+};
+
+export const addFields = async ({ documentId, fields }: AddFieldsActionInput) => {
+  'use server';
+
+  const { id: userId } = await getRequiredServerComponentSession();
+
+  await setFieldsForDocument({
+    userId,
+    documentId,
+    fields: fields.map((field) => ({
+      id: field.nativeId,
+      signerEmail: field.signerEmail,
+      type: field.type,
+      pageNumber: field.pageNumber,
+      pageX: field.pageX,
+      pageY: field.pageY,
+      pageWidth: field.pageWidth,
+      pageHeight: field.pageHeight,
+    })),
+  });
+};