Intent of link_converter.go ×2

All 4 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 4 tests
- server/ 4 tests
  - common/ 4 tests
    
    nexus/ 4 tests
    
    TestConvertNexusLinkToLinkWorkflowEvent/ 4 tests
    
    go.temporal.io/server/common/nexus/TestConvertNexusLinkToLinkWorkflowEvent/invalid_request_id_reference_missing_event_type Inherited link_converter.go ×2
    
    go.temporal.io/server/common/nexus/TestConvertNexusLinkToLinkWorkflowEvent/valid_request_id_empty Inherited link_converter.go ×2
    
    go.temporal.io/server/common/nexus/TestConvertNexusLinkToLinkWorkflowEvent/valid_request_id_long_event_type Inherited link_converter.go ×2
    
    go.temporal.io/server/common/nexus/TestConvertNexusLinkToLinkWorkflowEvent/valid_request_id_short_event_type Inherited link_converter.go ×2