Intent of empty_list

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
    
    searchattribute/ 3 tests
    
    sadefs/ 1 test
    
    Test_DecodeValue_AllowList_BackwardsCompatibility/ 1 test
    
    go.temporal.io/server/common/searchattribute/sadefs/Test_DecodeValue_AllowList_BackwardsCompatibility/empty_list Introduced here
    
    go.temporal.io/server/common/searchattribute/Test_Decode_NilMap Inherited Test_Decode_NilMap
    
    go.temporal.io/server/common/searchattribute/Test_Decode_Success Inherited Test_Decode_Success