The following two registrars were missing:
- FirScriptingCompilerExtensionIdeRegistrar
- FirScriptingSamWithReceiverExtensionRegistrar
`FirScriptingCompilerExtensionIdeRegistrar` was introduced as a copy of
`FirScriptingCompilerExtensionRegistrar` adapted for usage from IDE.
`FirRegisteredPluginAnnotations` and `FirJvmTypeMapper` are mandatory at
`FirExtensionService.registerExtensions` and reported as missing at
runtime.