Avoid configuration resolution error for v2 migration helper task

[adam-enko]

Fix error when running dokkaHtml task when v2 migration helpers are enabled.

Summary

The problem:

• DGPv1 tasks contain automatic configuration for task inputs that cannot be disabled dynamically by V2.
• When v2 registered the migration helpers, it uses the same task types to prevent breaking changes in buildscripts.
• The task types automatically configured themselves using Configurations that v2 makes incompatible.

The solution:

• Update the v1 tasks to lazily configure the input values.

Fix KT-72000