Refactor module to use function to clear-host and display selections/instructions in app title | status header instead of in messages where possible

[dmealo]

Display status - Screen

• AzKube | Select Tenant - tenant selection menu
• AzKube | TENANTNAME (ID) | Select Cluster - cluster selection menu
• AzKube | TENANTNAME {ID) | CLUSTERNAME (RG - SUBID) | Select Action - action selection menu