Add missing get for totalOutboundConnections

[mindw]

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[mindw]

@dakrone any chance you can look at this as well? Tx!

[elasticmachine]

Pinging @elastic/es-data-management (Team:Data Management)

[martijnvg]

@elasticmachine test this please

[dakrone]

@elasticmachine update branch

[dakrone]

@elasticmachine ok to test