fix(import): add tracing spans to all import related functions (#8160)

# Which Problems Are Solved

This fix adds tracing spans to all V1 API import related functions. This
is to troubleshoot import related performance issues reported to us.

# How the Problems Are Solved

Add a tracing span to `api/grpc/admin/import.go` and all related
functions that are called in the `command` package.

# Additional Changes

- none

# Additional Context

- Reported by internal communication

internal/command/idp.go

@@ -7,6 +7,7 @@ import (
 	"github.com/zitadel/zitadel/internal/command/preparation"
 	"github.com/zitadel/zitadel/internal/domain"
 	"github.com/zitadel/zitadel/internal/repository/idp"
+	"github.com/zitadel/zitadel/internal/telemetry/tracing"
 	"github.com/zitadel/zitadel/internal/zerrors"
 )
 
@@ -133,6 +134,9 @@ type AppleProvider struct {
 
 // ExistsIDPOnOrgOrInstance query first org level IDPs and then instance level IDPs, no check if the IDP is active
 func ExistsIDPOnOrgOrInstance(ctx context.Context, filter preparation.FilterToQueryReducer, instanceID, orgID, id string) (exists bool, err error) {
+	ctx, span := tracing.NewSpan(ctx)
+	defer func() { span.EndWithError(err) }()
+
 	writeModel := NewOrgIDPRemoveWriteModel(orgID, id)
 	events, err := filter(ctx, writeModel.Query())
 	if err != nil {