feat: adding interchain account address query to controller submodule (backport #2193) (#2291)

* feat: adding interchain account address query to controller submodule (#2193)

* adding interchain account address query to ica controller

* adding basic cli query

* satisfy linter, aligning recvr var naming

* Apply suggestions from code review

Co-authored-by: Carlos Rodriguez <carlos@interchain.io>

* reordering cli args

* regenerate protobufs and swagger docs post review suggestions

* adding changelog

* Update modules/apps/27-interchain-accounts/controller/client/cli/query.go

Co-authored-by: Carlos Rodriguez <carlos@interchain.io>
(cherry picked from commit e569045)

# Conflicts:
#	CHANGELOG.md
#	docs/client/swagger-ui/swagger.yaml
#	docs/ibc/proto-docs.md
#	modules/apps/27-interchain-accounts/controller/keeper/grpc_query.go
#	modules/apps/27-interchain-accounts/controller/keeper/grpc_query_test.go
#	modules/apps/27-interchain-accounts/controller/types/query.pb.go

* fix merge conflicts

Co-authored-by: Damian Nolan <damiannolan@gmail.com>
Co-authored-by: Colin Axnér <25233464+colin-axner@users.noreply.github.com>

Author: 3 people

CHANGELOG.md

@@ -46,6 +46,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Features
 
+* (apps/27-interchain-accounts) [\#2193](https://github.com/cosmos/ibc-go/pull/2193) Adding `InterchainAccount` gRPC query endpont to ICS27 `controller` submodule to allow users to retrieve registered interchain account addresses.
+
 ### Bug Fixes
 
 ## [v3.2.0](https://github.com/cosmos/ibc-go/releases/tag/v3.2.0) - 2022-08-12