Receive build number from Root app, instead of LiveApp/WebRTCAppEE

[ghost]

Issue

Build number should be received via Get Version REST service and displayed with Version
https://mslive.antmedia.io:5443/rest/getVersion

Short description

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Environment

• Operating system and version:
• Java version:
• Ant Media Server version:
• Browser name and version:

Expected behavior

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Actual behavior

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Steps to reproduce

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