Intent of link_converter.go ×4

All 3 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 3 tests
- server/ 3 tests
  - common/ 3 tests
    
    nexus/ 3 tests
    
    TestConvertNexusLinkToLinkActivity/ 2 tests
    
    go.temporal.io/server/common/nexus/TestConvertNexusLinkToLinkActivity/round-trip_with_escaped_path Inherited valid, round-trip_with_escaped_path
    
    go.temporal.io/server/common/nexus/TestConvertNexusLinkToLinkActivity/valid Inherited valid, round-trip_with_escaped_path
    
    go.temporal.io/server/common/nexus/TestConvertNexusLinksToProtoLinks_ActivityVariant Inherited links.go ×2