Reevaluate non-optional or defaulted fields in manager task spec

[rzetelskik]

What should the feature do?

Currently most of the attributes of manager task specs are non-optional and/or defaulted. We should reevaluate how these attributes interact with each other and which of them can and should be made optional and non-defaulted.

/kind feature /priority important-longterm

What is the use case behind this feature?

ditto

Anything else we need to know?

No response