cleanup and unit tests (#4434)

* put socket.updateHistory behind SessionCommand

* rename /websocket files from .tsx to .ts

* add unit tests to websocket commands

* complete unit tests for webClient commands

* secure wss

Co-authored-by: Jeremy Letto <jeremy.letto@datasite.com>

webclient/src/setupTests.ts

@@ -0,0 +1,7 @@
+import protobuf from "protobufjs";
+
+class MockProtobufRoot {
+  load() {}
+}
+
+(protobuf as any).Root = MockProtobufRoot;