Import - Improve phone validation (#12901)

Context : 
- Phones import is a bit complex if not all subfields are provided.
- Phones subfield validation are absent or different from BE validation.

Solution : 
- Normalize callingCode and countryCode validation (BE/FE)
- Ease phone import if only phoneNumber is provided

yarn.lock

@@ -56856,6 +56856,7 @@ __metadata:
     "@types/babel__preset-env": "npm:^7"
     babel-plugin-module-resolver: "npm:^5.0.2"
     glob: "npm:^11.0.1"
+    libphonenumber-js: "npm:^1.10.26"
     tsx: "npm:^4.19.3"
     zod: "npm:3.23.8"
   languageName: unknown