style: format code with Gofumpt and Prettier

This commit fixes the style issues introduced in 75cb403 according to the output
from Gofumpt and Prettier.

Details: #2639

internal/net/grpc/errdetails/errdetails.go

@@ -54,7 +54,7 @@ const (
 	ValdResourceOwner          = "vdaas.org vald team <[email protected]>"
 	ValdGRPCResourceTypePrefix = "github.com/vdaas/vald/apis/grpc/v1"
 
-	typePrefix  = "type.googleapis.com/google.rpc."
+	typePrefix   = "type.googleapis.com/google.rpc."
 	typePrefixV1 = "type.googleapis.com/rpc.v1."
 )
 
@@ -84,7 +84,7 @@ func (d *Detail) MarshalJSON() (body []byte, err error) {
 	if d == nil {
 		return nil, nil
 	}
-	switch strings.TrimPrefix(strings.TrimPrefix(d.TypeURL, typePrefix), typePrefixV1){
+	switch strings.TrimPrefix(strings.TrimPrefix(d.TypeURL, typePrefix), typePrefixV1) {
 	case DebugInfoMessageName:
 		m, ok := d.Message.(*DebugInfo)
 		if ok {
@@ -314,7 +314,7 @@ func AnyToErrorDetail(a *types.Any) proto.Message {
 		return nil
 	}
 	var err error
-	switch strings.TrimPrefix(strings.TrimPrefix(a.GetTypeUrl(), typePrefix), typePrefixV1){
+	switch strings.TrimPrefix(strings.TrimPrefix(a.GetTypeUrl(), typePrefix), typePrefixV1) {
 	case DebugInfoMessageName:
 		var m DebugInfo
 		err = types.UnmarshalAny(a, &m)