docs: update Permissionless ICS ADR to capture latest changes

[insumity]

Description

Closes: #XXXX

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[bermuell]

Suggested change

	Note that `metadata` is a required field, while the `initialization_parameterrs` and `power_shaping_parameters` are optional and can later be set using `MsgUpdateConsumer`.
	Note that `metadata` is a required field, while the `initialization_parameters` and `power_shaping_parameters` are optional and can later be set using `MsgUpdateConsumer`.

[bermuell]

Suggested change

	We need to perform multiple migrations. All state needs to be reindex based on a `consumerId` instead of the `chainId`.
	We need to perform multiple migrations. All state needs to be reindexed based on a `consumerId` instead of the `chainId`.