create getDocument cloud function & minor UI changes

apps/OpenSignServer/cloud/parsefunction/getDocument.js

@@ -0,0 +1,23 @@
+export default async function getDocument(request) {
+  const docId = request.params.docId;
+  const userId = request.params.userId;
+  if (docId && userId) {
+    try {
+      const query = new Parse.Query('contracts_Document');
+      query.equalTo('objectId', docId);
+      query.equalTo('ACL', new Parse.ACL(userId));
+      query.include('ExtUserPtr');
+      query.include('CreatedBy');
+      query.include('Signers');
+      query.include('AuditTrail.UserPtr');
+      query.include('Placeholders');
+      const res = await query.first({ useMasterKey: true });
+      return res;
+    } catch (err) {
+      console.log('err', err);
+      return err;
+    }
+  } else {
+    return { error: 'Please pass required parameters!' };
+  }
+}