[UPDATE] kurento utils updated

[nikhilbhatt]

Have you done the following:

• Have you squashed your commits?
• Does your squashed commit have a tag like [FIX],[MAINTENANCE],[FEATURE],[CLEANUP],[UPGRADE]
• Did the write new test cases for this merge request?
• Did the test cases run successfully in your environment?

Explain the problem in one line, add reference issue ticket number

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Explain the solution you implemented in detail

Updated kurento-utils.js

Closes #