v17: Add CreateCLPool & LinkCFMMtoCL pool into one gov-prop

[stackman27]

Background

Currently we have 2 gov prop message to migrate pool from GAMM.

• Create CL Pool
• Link GammPool with CL pool

This take 2 gov period which is too long. Lets create a gov-prop that will handle both of these commands in one

Suggested Design

-- add a gov prop that creates a pool and links it with a GAMM pool

Acceptance Criteria

• can perform Create&LinkCLpool with one gov prop

Goals & criteria for success
e.g.

• all existing and new tests should pass