fix: configure default url templates (#10416)

# Which Problems Are Solved

Emails are still send only with URLs to login v1.

# How the Problems Are Solved

Add configuration for URLs as URL templates, so that links can point at
Login v2.

# Additional Changes

None

# Additional Context

Closes #10236

---------

Co-authored-by: Marco A. <marco@zitadel.com>
(cherry picked from commit 0a14c01412)

internal/command/user_human.go

@@ -299,6 +299,11 @@ func (c *Commands) addHumanCommandEmail(ctx context.Context, filter preparation.
 		if human.Email.ReturnCode {
 			human.EmailCode = &emailCode.Plain
 		}
+
+		if human.Email.URLTemplate == "" {
+			human.Email.URLTemplate = c.defaultEmailCodeURLTemplate(ctx)
+		}
+
 		return append(cmds, user.NewHumanEmailCodeAddedEventV2(ctx, &a.Aggregate, emailCode.Crypted, emailCode.Expiry, human.Email.URLTemplate, human.Email.ReturnCode, human.AuthRequestID)), nil
 	}
 	return cmds, nil