fix: Multi-kind context containing only 1 kind conveted incorrectly.#594

kinyoklion merged 2 commits intomainlaunchdarkly/js-core:mainfrom

rlamb/REL-2657/single-kind-context-conversion-buglaunchdarkly/js-core:rlamb/REL-2657/single-kind-context-conversion-bugCopy head branch name to clipboard