More triggers for replacement, better handling of enabled=false

[Nuru]

what

• Fix edge cases where certain inputs would cause errors when the module enabled = false
• Make cluster name dependent on additional variables so that it changes whenever the node group needs to be replaced

why

• Module should always work (and create no resources) when var.enabled = false as long as other variables are valid
• Terraform will fail when create_before_destroy is set if it needs to replace the node group but the name does not change

[Nuru]

/test all

[Nuru]

/test all