[Issue] Register plugin: Add/save configuration errors

Describe the issue When saving configuration I always getting an error:

["verification-code-length is mandatory and must be a positive integer"]

because frontend app sends string, not positive-int.

Request 1 sample (200):

curl 'https://example.com/api/mod/plugin/default' \
  -X 'PUT' \
  -H 'authority: example.com' \
  -H 'accept: */*' \
  -H 'accept-language: en-US,en;q=0.9,ru;q=0.8' \
  -H 'cache-control: no-cache' \
  -H 'content-type: application/json; charset=UTF-8' \
  -H 'cookie: G_SESSION_ID=<redacted>' \
  -H 'dnt: 1' \
  -H 'origin: https://example.com' \
  -H 'pragma: no-cache' \
  -H 'sec-ch-ua: "Google Chrome";v="117", "Not;A=Brand";v="8", "Chromium";v="117"' \
  -H 'sec-ch-ua-mobile: ?0' \
  -H 'sec-ch-ua-platform: "macOS"' \
  -H 'sec-fetch-dest: empty' \
  -H 'sec-fetch-mode: cors' \
  -H 'sec-fetch-site: same-origin' \
  -H 'user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36' \
  -H 'x-requested-with: XMLHttpRequest' \
  --data-raw '{"module":"register","name":"default","display_name":"default","parameters":{"registration":true,"verification-code-length":"8","verification-code-duration":600,"host":"smtp.sendgrid.net","port":581,"verify-email":true,"email-is-username":true,"scope":["profile","openid"],"set-password":"always","schemes":[],"session-key":"G_REGISTER_SESSION","session-duration":3600,"subject":"Confirm registration","content-type":"text/plain; charset=utf-8","from":"noreply@example.com","templates":{"en-US":{"subject":"Confirm registration","body-pattern":"The code is {CODE}\n\nhttps://example.com//profile.html?register=<your_registration_plugin_name>&token={TOKEN}","defaultLang":true}},"update-email":false,"update-email-content-type":"text/plain; charset=utf-8","templatesUpdateEmail":{"en-US":{"subject":"Update e-mail address","body-pattern":"Click on the following link: https://example.com//profile.html?updateEmail=<your_registration_plugin_name>&token={TOKEN}","defaultLang":true}},"update-email-token-duration":600,"update-email-from":"","reset-credentials":true,"reset-credentials-session-key":"G_CREDENTIALS_SESSION","reset-credentials-session-duration":3600,"reset-credentials-email":true,"reset-credentials-content-type":"text/plain; charset=utf-8","templatesResetCredentials":{"en-US":{"subject":"Lost credentials","body-pattern":"Click on the following link: https://example.com//profile.html?resetCredentials=<your_registration_plugin_name>&token={TOKEN}","defaultLang":true}},"reset-credentials-token-duration":600,"reset-credentials-from":"noreply@spacetab.io","reset-credentials-code":false,"reset-credentials-code-list-size":4,"reset-credentials-code-property":"reset-credentials-code","use-tls":true,"check-certificate":true,"user":"apikey","password":"<redacted>","user-lang-property":"lang"},"enabled":true}' \
  --compressed

Request 2 sample (500):

curl 'https://example.com/api/mod/plugin/default/reset/' \
  -X 'PUT' \
  -H 'authority: example.com' \
  -H 'accept: */*' \
  -H 'accept-language: en-US,en;q=0.9,ru;q=0.8' \
  -H 'cache-control: no-cache' \
  -H 'content-length: 0' \
  -H 'cookie: G_SESSION_ID=<redacted>' \
  -H 'dnt: 1' \
  -H 'origin: https://example.com' \
  -H 'pragma: no-cache' \
  -H 'sec-ch-ua: "Google Chrome";v="117", "Not;A=Brand";v="8", "Chromium";v="117"' \
  -H 'sec-ch-ua-mobile: ?0' \
  -H 'sec-ch-ua-platform: "macOS"' \
  -H 'sec-fetch-dest: empty' \
  -H 'sec-fetch-mode: cors' \
  -H 'sec-fetch-site: same-origin' \
  -H 'user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36' \
  -H 'x-requested-with: XMLHttpRequest' \
  --compressed

To Reproduce

Manually add a plugin with parameters above using web ui and got an error;
(optional) go to registration page and try type username – it will fails each time before the type is fixed through database (verification-code-length: 8 not verification-code-length: "8");
(optional, second issue) When username is email, if I type not email (username for example) frontend app sends a infinity requests to backend in a loop;

Expected behavior Normal working.

Screenshots

Click me

System (please complete the following information):

OS/Environment: Mac OS Ventura
Browser used: Version 117.0.5907.0 (Official Build)
Glewlwyd Version: 2.7.5
Source installation: Docker

Additional context Add any other context about the problem here.

babelouest / glewlwyd

[Issue] Register plugin: Add/save configuration errors #217