ZoneHVAC:HybridUnitaryHVAC - Clean up warning messages

### Issue overview

The warning messages in SetOperatingSetting() have formatting, grammar, and consistency issues. Also, the variable DidWeMeetHumidificaiton contains a spelling error.

### Operating System (Multiple choices)

Any

### Operating System Version

Any

### Version of EnergyPlus

26.1

### Unmethours link or helpdesk ticket number

N/A

### Defect file

_No response_