* [typescript] Generate enum name independently on model name, ignoring modelSuffix
* Add `enumSufix` cli option for all typescript generators
* Add ENUM_NAME_SUFFIX to to TypeScript***ClientOptionsProvider
* Add a typeMapping for OAS2 built-in "file" type
* Re-generate samples
* Introduce `v4-compat` mode for enumNamePrefix
* Update TypeScriptFetchModelTest - make sure codegen options are processed before running assertions
* Regenerate samples
* Regenerate docs
* Regenerate docs