Fix loss of indication to use ampqs

[TimHess]

Description

Avoids call to AmqpTcpEndpoint.ParseMultiple in favor of splitting hosts ourselves and reapplying SslOptions already set on the ConnectionFactory

Fixes #1488

Quality checklist

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
95.5% Coverage on New Code
0.0% Duplication on New Code

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