x-pack/filebeat/input/entityanalytics - Fix log fmt

Change logger statements to not use `%w` (which is only for
wrapping in fmt.Errorf).

Users reported seeing messages like:

    Failed to obtain some registered user data: %!w(*fmt.wrapError=&{unable to fetch users: unexpected status code: 404 body

CHANGELOG.next.asciidoc

@@ -131,6 +131,7 @@ https://github.com/elastic/beats/compare/v8.8.1\...main[Check the HEAD diff]
 - Fix panic when more than 32767 pipeline clients are active. {issue}38197[38197] {pull}38556[38556]
 - Fix filestream's registry GC: registry entries are now removed from the in-memory and disk store when they're older than the set TTL {issue}36761[36761] {pull}38488[38488]
 - [threatintel] MISP splitting fix for empty responses {issue}38739[38739] {pull}38917[38917]
+- entity-analytics input: Fix format of some log messages. {pull}38990[38990]
 
 *Heartbeat*
 

x-pack/filebeat/input/entityanalytics/provider/azuread/fetcher/graph/graph.go

@@ -206,7 +206,7 @@ func (f *graph) Users(ctx context.Context, deltaLink string) ([]*fetcher.User, s
 		for _, v := range response.Users {
 			user, err := newUserFromAPI(v)
 			if err != nil {
-				f.logger.Errorf("Unable to parse user from API: %w", err)
+				f.logger.Errorw("Unable to parse user from API", "error", err)
 				continue
 			}
 			f.logger.Debugf("Got user %q from API", user.ID)
@@ -258,7 +258,7 @@ func (f *graph) Devices(ctx context.Context, deltaLink string) ([]*fetcher.Devic
 		for _, v := range response.Devices {
 			device, err := newDeviceFromAPI(v)
 			if err != nil {
-				f.logger.Errorf("Unable to parse device from API: %w", err)
+				f.logger.Errorw("Unable to parse device from API", "error", err)
 				continue
 			}
 			f.logger.Debugf("Got device %q from API", device.ID)
@@ -290,7 +290,7 @@ func (f *graph) addRegistered(ctx context.Context, device *fetcher.Device, typ s
 	switch {
 	case err == nil, errors.Is(err, nextLinkLoopError{"users"}), errors.Is(err, missingLinkError{"users"}):
 	default:
-		f.logger.Errorf("Failed to obtain some registered user data: %w", err)
+		f.logger.Errorw("Failed to obtain some registered user data", "error", err)
 	}
 	for _, u := range users {
 		set.Add(u.ID)