[Siddhi Application Management API] Siddhi apps deployed through Siddhi API is not formatted while saving

[pcnfernando]

Description:
When siddhi application is deployed over Siddhi Application Management APIs, the siddhi application is not getting formatted while saving.

Suggested Labels:
Siddhi Application Management API

Suggested Assignees:

Affected Product Version:
v4.2.0

OS, DB, other environment details and versions:
Ubuntu 16.04

Steps to reproduce:

1. Deploy a siddhi application over Siddhi api
   curl -X POST "https://localhost:9443/siddhi-apps" -H "accept: application/json" -H "Content-Type: text/plain" -d @TestSiddhiApp.siddhi -u admin:admin -k

2. View the siddhi application saved on WSO2_SP_HOME/wso2/worker/deployment/siddhi-files