[dart-dio-next] improve encodeCollectionQueryParameter to handle cases where collectionFormat is null#10105

wing328 merged 2 commits into

OpenAPITools:masterOpenAPITools/openapi-generator:masterfrom

Bdaya-Dev:dart-dio-next/improve-encodeCollectionQueryParameterBdaya-Dev/openapi-generator:dart-dio-next/improve-encodeCollectionQueryParameterCopy head branch name to clipboard