fix(compiler): Allow returning resolved service as ability [LNG-266]

[InversionSpaces]

Description

Allow returning as ability from function a service resolved in body.

Proposed Changes / Implementation Details

• Make ServiceType subtype of AbilityType
• Fix renaming in ServiceIdTag

Checklist

• Corresponding issue has been created and linked in PR title.
• Proposed changes are covered by tests.
• Documentation has been updated to reflect the changes (if applicable).
• I have self-reviewed my code and ensured its quality.
• I have added/updated necessary comments to aid understanding.

Reviewer Checklist

• Tests have been reviewed and are sufficient to validate the changes.
• Documentation has been reviewed and is up to date.
• Any questions or concerns have been addressed.

[linear]

LNG-266 Allow returning resolved service as ability

aqua:

ability SpellAbility:
    store_log(log: string)

service SpellService:
    store_log(log: string)

func spell1min() -> SpellAbility:
    SpellService "spell-1min-id"
    <- SpellService

error:

Wrong value type, expected: ability SpellAbility{store_log: (log: string) :: ∅ -> ∅}, given: service SpellService{store_log: (log: string) :: ∅ -> ∅}