feat: Added support for ThirdPartyClientAccess in V1 SDK [EA Only]

[KartikJha]

feat: add ThirdPartyClientAccess support to My Organization API (EA)

🔧 Changes

• Add ThirdPartyClientAccess *MyOrganizationThirdPartyClientAccess field to MyOrganizationConfiguration on Client, controlling whether third-party clients can access organizations created for the client through the My Organization API (Early Access).
• Add new MyOrganizationThirdPartyClientAccess type with DefaultValue *string and AllowedValues *[]string. AllowedValues is required whenever ThirdPartyClientAccess is set. Currently the API only accepts "block" for DefaultValue; "allow" is rejected with a 400.
• Add generated getters (GetThirdPartyClientAccess, GetAllowedValues, GetDefaultValue) and String() for the new type.

🔬 Testing

• Added TestClient_MyOrganizationConfigurationThirdPartyClientAccess, covering creating a client with a valid ThirdPartyClientAccess config and asserting the API rejects DefaultValue: "allow" with a 400.
• Added generated getter tests (TestMyOrganizationConfiguration_GetThirdPartyClientAccess, TestMyOrganizationThirdPartyClientAccess_GetAllowedValues, TestMyOrganizationThirdPartyClientAccess_GetDefaultValue, TestMyOrganizationThirdPartyClientAccess_String).
• New HTTP test recording added for the integration test.

📝 Checklist

• All new/changed/fixed functionality is covered by tests (or N/A)
• I have added documentation for all new/changed functionality (or N/A)

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.88%. Comparing base (63daed0) to head (090402d).

Additional details and impacted files

@@           Coverage Diff           @@
##               v1     #854   +/-   ##
=======================================
  Coverage   96.88%   96.88%           
=======================================
  Files          62       62           
  Lines       11303    11317   +14     
=======================================
+ Hits        10951    10965   +14     
  Misses        234      234           
  Partials      118      118           

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