chore!: allow CreateUser to accept multiple organizations (#14383)

* chore: allow CreateUser to accept multiple organizations

In a multi-org deployment, it makes more sense to allow for multiple
org memberships to be assigned at create. The legacy param will still
be honored.

* Handle sdk deprecation better by maintaining cli functions

coderd/workspaceapps/apptest/apptest.go

@@ -1206,11 +1206,11 @@ func Run(t *testing.T, appHostIsPrimary bool, factory DeploymentFactory) {
 			// Create a template-admin user in the same org. We don't use an owner
 			// since they have access to everything.
 			ownerClient = appDetails.SDKClient
-			user, err := ownerClient.CreateUser(ctx, codersdk.CreateUserRequest{
-				Email:          "user@coder.com",
-				Username:       "user",
-				Password:       password,
-				OrganizationID: appDetails.FirstUser.OrganizationID,
+			user, err := ownerClient.CreateUserWithOrgs(ctx, codersdk.CreateUserRequestWithOrgs{
+				Email:           "user@coder.com",
+				Username:        "user",
+				Password:        password,
+				OrganizationIDs: []uuid.UUID{appDetails.FirstUser.OrganizationID},
 			})
 			require.NoError(t, err)
 
@@ -1258,11 +1258,11 @@ func Run(t *testing.T, appHostIsPrimary bool, factory DeploymentFactory) {
 				Name: "a-different-org",
 			})
 			require.NoError(t, err)
-			userInOtherOrg, err := ownerClient.CreateUser(ctx, codersdk.CreateUserRequest{
-				Email:          "no-template-access@coder.com",
-				Username:       "no-template-access",
-				Password:       password,
-				OrganizationID: otherOrg.ID,
+			userInOtherOrg, err := ownerClient.CreateUserWithOrgs(ctx, codersdk.CreateUserRequestWithOrgs{
+				Email:           "no-template-access@coder.com",
+				Username:        "no-template-access",
+				Password:        password,
+				OrganizationIDs: []uuid.UUID{otherOrg.ID},
 			})
 			require.NoError(t, err)