feat: implement global flag for org selection (#12276)

* feat: implement global flag for org selection

Any command can use '-z' to override org context

cli/organization_test.go

@@ -42,4 +42,35 @@ func TestCurrentOrganization(t *testing.T) {
 		require.NoError(t, <-errC)
 		pty.ExpectMatch(first.OrganizationID.String())
 	})
+
+	t.Run("UsingFlag", func(t *testing.T) {
+		t.Parallel()
+		ownerClient := coderdtest.New(t, nil)
+		first := coderdtest.CreateFirstUser(t, ownerClient)
+		// Owner is required to make orgs
+		client, _ := coderdtest.CreateAnotherUser(t, ownerClient, first.OrganizationID, rbac.RoleOwner())
+
+		ctx := testutil.Context(t, testutil.WaitMedium)
+		orgs := map[string]codersdk.Organization{
+			"foo": {},
+			"bar": {},
+		}
+		for orgName := range orgs {
+			org, err := client.CreateOrganization(ctx, codersdk.CreateOrganizationRequest{
+				Name: orgName,
+			})
+			require.NoError(t, err)
+			orgs[orgName] = org
+		}
+
+		inv, root := clitest.New(t, "organizations", "show", "current", "--only-id", "-z=bar")
+		clitest.SetupConfig(t, client, root)
+		pty := ptytest.New(t).Attach(inv)
+		errC := make(chan error)
+		go func() {
+			errC <- inv.Run()
+		}()
+		require.NoError(t, <-errC)
+		pty.ExpectMatch(orgs["bar"].ID.String())
+	})
 }