Goal:

Support new property serviceAccountName in ApplicationDestination section of AppProject

Acceptance Criteria

• The new field should not supported at the Application CR. Since ApplicationDestination struct type is shared between Application and AppProject, there should be a restriction on using this field from the context of an application. Users should be prevented to use this new field from within an Application CR.
• Ensure that the newly added field is optional with default value of ""
• Documentation of the new fields