Feat: add auth provider to users on sign in (#3739)

* feat: merge a new authentication method onto existing user records when emails match

* adds test for invite acceptance and auth provider creation

* addresses comments
- test existing user and invites in different test cases
- update lastActiveAt syncronously when an invite is accepted

* sort arrays in test to prevent nondeterministic test behaivior when doing array compare

server/routes/api/team.test.ts

@@ -39,7 +39,7 @@ describe("#team.update", () => {
     });
     const body = await res.json();
     expect(res.status).toEqual(200);
-    expect(body.data.allowedDomains).toEqual([
+    expect(body.data.allowedDomains.sort()).toEqual([
       "example-company.com",
       "example-company.org",
     ]);
@@ -47,7 +47,7 @@ describe("#team.update", () => {
     const teamDomains: TeamDomain[] = await TeamDomain.findAll({
       where: { teamId: team.id },
     });
-    expect(teamDomains.map((d) => d.name)).toEqual([
+    expect(teamDomains.map((d) => d.name).sort()).toEqual([
       "example-company.com",
       "example-company.org",
     ]);