Fix a bunch of TypeScript build errors (#4)

Author: msabramo

client/src/components/__tests__/Sidebar.test.tsx

@@ -27,6 +27,10 @@ describe("Sidebar Environment Variables", () => {
     setEnv: jest.fn(),
     bearerToken: "",
     setBearerToken: jest.fn(),
+    oauthClientId: "",
+    setOauthClientId: jest.fn(),
+    oauthParams: "",
+    setOauthParams: jest.fn(),
     onConnect: jest.fn(),
     onDisconnect: jest.fn(),
     stdErrNotifications: [],