fix: Add Err handling for ABCI Query Route for wasm binded query (#6886)

* Add err handle

* ADd changelog

(cherry picked from commit f11259d)

CHANGELOG.md

@@ -59,6 +59,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * [#6758](https://github.com/osmosis-labs/osmosis/pull/6758) Add codec for MsgUndelegateFromRebalancedValidatorSet
 * [#6836](https://github.com/osmosis-labs/osmosis/pull/6836) Add DenomsMetadata to stargate whitelist and fixs the DenomMetadata response type
 * [#6814](https://github.com/osmosis-labs/osmosis/pull/6814) Add EstimateTradeBasedOnPriceImpact to stargate whitelist
+* [#6886](https://github.com/osmosis-labs/osmosis/pull/6886) Add Err handling for ABCI Query Route for wasm binded query
 * [#6859](https://github.com/osmosis-labs/osmosis/pull/6859) Add hooks to core CL operations (position creation/withdrawal and swaps)
 * [#6932](https://github.com/osmosis-labs/osmosis/pull/6932) Allow protorev module to receive tokens
 * [#6937](https://github.com/osmosis-labs/osmosis/pull/6937) Update wasmd to v0.45.0 and wasmvm to v1.5.0

wasmbinding/query_plugin.go

@@ -35,6 +35,10 @@ func StargateQuerier(queryRouter baseapp.GRPCQueryRouter, cdc codec.Codec) func(
 			return nil, err
 		}
 
+		if res.Value == nil {
+			return nil, fmt.Errorf("Res returned from abci query route is nil")
+		}
+
 		bz, err := ConvertProtoToJSONMarshal(protoResponseType, res.Value, cdc)
 		if err != nil {
 			return nil, err