[python] ensure that changes in Python facet made via Settings dialog are saved into iml (PY-45794)

GitOrigin-RevId: 6ad3e588ff01bf8b703822a592531e9821bc82e3

python/pluginMinor/com/jetbrains/python/minor/sdk/PyPluginSdkModuleConfigurable.kt

@@ -42,6 +42,7 @@ class PyPluginSdkModuleConfigurable(project: Project?) : PyActiveSdkModuleConfig
                           item: Sdk?,
                           module: Module) {
     facet.configuration.sdk = item
+    FacetManager.getInstance(module).facetConfigurationChanged(facet)
     PythonFacetUtil.updateLibrary(module, facet.configuration)
   }