Enable Gateway leader election only if replicate gt 1

[Sharathmk99]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Need to enable Gateway leader election only if replicate gt 1.

Fixes #(issue)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also note any relevant details for your test configuration.

• Local

[adamjensenbot]

Hi @Sharathmk99. Thanks for your PR!

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[cheina97]

lgtm

[cheina97]

/rebase test=true

[cheina97]

/merge