fix: register gRPC Gateway routes (#2838)

<!--
Please read and fill out this form before submitting your PR.

Please make sure you have reviewed our contributors guide before
submitting your
first PR.
-->

## Overview

<!-- 
Please provide an explanation of the PR, including the appropriate
context,
background, goal, and rationale. If there is an issue with this
information,
please provide a tl;dr and link the issue. 
-->
This PR fixes #2837. 

Both `blob` and `blobstream` modules lack registration for the gRPC
Gateway routes, leading to the inability to query endpoints. Let me know
if there is anything i need to do to merge this PR.

CI checks require 3 workflows awaiting approval.

## Checklist

<!-- 
Please complete the checklist to ensure that the PR is ready to be
reviewed.

IMPORTANT:
PRs should be left in Draft until the below checklist is completed.
-->

- [ ] New and updated code has appropriate documentation
- [ ] New and updated code has new and/or updated testing
- [ ] Required CI checks are passing
- [ ] Visual proof for any user facing features like CLI or
documentation updates
- [x] Linked issues closed with keywords

x/blob/module.go

@@ -1,6 +1,7 @@
 package blob
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 
@@ -75,7 +76,10 @@ func (AppModuleBasic) RegisterRESTRoutes(_ client.Context, _ *mux.Router) {
 }
 
 // RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the module.
-func (AppModuleBasic) RegisterGRPCGatewayRoutes(_ client.Context, _ *runtime.ServeMux) {
+func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
+	if err := types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx)); err != nil {
+		panic(err)
+	}
 }
 
 // GetTxCmd returns the capability module's root tx command.

x/blobstream/module.go

@@ -1,6 +1,7 @@
 package blobstream
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 
@@ -76,7 +77,10 @@ func (AppModuleBasic) RegisterRESTRoutes(_ client.Context, _ *mux.Router) {
 }
 
 // RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the module.
-func (AppModuleBasic) RegisterGRPCGatewayRoutes(_ client.Context, _ *runtime.ServeMux) {
+func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
+	if err := types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx)); err != nil {
+		panic(err)
+	}
 }
 
 // GetTxCmd returns the capability module's root tx command.