Fix lint errors

Author: rok-povsic

src/Inputs.js

@@ -300,10 +300,10 @@ class Inputs {
       input: {
         id: inputID,
         feedback_info: {
-            event_type: 'search_click',
-            search_id: searchID,
-            end_user_id: endUserID,
-            session_id: sessionID
+          event_type: 'search_click',
+          search_id: searchID,
+          end_user_id: endUserID,
+          session_id: sessionID
         }
       }
     };

src/Workflow.js

@@ -1,4 +1,4 @@
-import {formatObjectForSnakeCase} from "./utils";
+import {formatObjectForSnakeCase} from './utils';
 
 let axios = require('axios');
 let {API, replaceVars} = require('./constants');

tests/unit/feedback-unit-tests.js

@@ -143,7 +143,7 @@ describe('Unit Tests - Concepts', () => {
 }
     `));
 
-    app.inputs.searchFeedback("@inputID", "@searchID", "@endUserID", "@sessionID")
+    app.inputs.searchFeedback('@inputID', '@searchID', '@endUserID', '@sessionID')
       .then(response => {
         expect(mock.history.post.length).toBe(1);