Migrate websocket eventbus messages to wps (#367)

This migrates all remaining eventbus events sent over the websocket to
use the wps interface. WPS is more flexible for registering events and
callbacks and provides support for more reliable unsubscribes and
resubscribes.

pkg/tsgen/tsgen.go

@@ -20,6 +20,7 @@ import (
 	"github.com/wavetermdev/waveterm/pkg/waveobj"
 	"github.com/wavetermdev/waveterm/pkg/wconfig"
 	"github.com/wavetermdev/waveterm/pkg/web/webcmd"
+	"github.com/wavetermdev/waveterm/pkg/wps"
 	"github.com/wavetermdev/waveterm/pkg/wshrpc"
 	"github.com/wavetermdev/waveterm/pkg/wshutil"
 )
@@ -33,7 +34,7 @@ var ExtraTypes = []any{
 	service.WebReturnType{},
 	waveobj.UIContext{},
 	eventbus.WSEventType{},
-	eventbus.WSFileEventData{},
+	wps.WSFileEventData{},
 	waveobj.LayoutActionData{},
 	filestore.WaveFile{},
 	wconfig.FullConfigType{},