fix: ListThreadsQueryParams.inFolder now correctly uses single folder ID#280

AaronDDM merged 1 commit intomainnylas/nylas-java:mainfrom

CUST-3937-v-3-java-kotlin-sdk-when-querying-for-threads-the-list-threads-query-paramss-attribute-in-folder-only-uses-the-last-item-in-the-listnylas/nylas-java:CUST-3937-v-3-java-kotlin-sdk-when-querying-for-threads-the-list-threads-query-paramss-attribute-in-folder-only-uses-the-last-item-in-the-listCopy head branch name to clipboard