[ETS] Implement local class · Pull Request !1588 · OpenHarmony/arkcompiler_ets_frontend

### Issue
#I8TF6S

### Reason
Missing feature

### Description
Implement local classes and interfaces

### Test scenarios
New tests are added:

ets2panda/test/parser/ets/local-class-access-modifier-private.ets
ets2panda/test/parser/ets/local-class-access-modifier-protected.ets
ets2panda/test/parser/ets/local-class-access-modifier-public.ets
ets2panda/test/parser/ets/local-class-member-access-modifier-private1.ets
ets2panda/test/parser/ets/local-class-member-access-modifier-private2.ets
ets2panda/test/parser/ets/local-class-member-access-modifier-protected1.ets
ets2panda/test/parser/ets/local-class-member-access-modifier-protected2.ets
ets2panda/test/parser/ets/local-class-member-access-modifier-public1.ets
ets2panda/test/parser/ets/local-class-member-access-modifier-public2.ets
ets2panda/test/parser/ets/local-class.ets
ets2panda/test/parser/ets/local-interface-access-modifier-private.ets
ets2panda/test/parser/ets/local-interface-access-modifier-protected.ets
ets2panda/test/parser/ets/local-interface-access-modifier-public.ets
ets2panda/test/parser/ets/local-interface-member-access-modifier-private1.ets
ets2panda/test/parser/ets/local-interface-member-access-modifier-private2.ets
ets2panda/test/parser/ets/local-interface-member-access-modifier-protected1.ets
ets2panda/test/parser/ets/local-interface-member-access-modifier-protected2.ets
ets2panda/test/parser/ets/local-interface-member-access-modifier-public1.ets
ets2panda/test/parser/ets/local-interface-member-access-modifier-public2.ets
ets2panda/test/parser/ets/local-interface.ets
ets2panda/test/runtime/ets/local-class-capture-boxing.ets
ets2panda/test/runtime/ets/local-class-capture-not-boxing.ets
ets2panda/test/runtime/ets/local-class-capture-parameter.ets
ets2panda/test/runtime/ets/local-class-in-local-class.ets
ets2panda/test/runtime/ets/local-class-mixed-capture.ets
ets2panda/test/runtime/ets/local-class-modify-captured-parameter.ets
ets2panda/test/runtime/ets/local-class-standard-example1.ets
ets2panda/test/runtime/ets/local-class-standard-example2.ets

类型	指派人员	状态
审查	@egavrin 由 CODEOWNERS 文件第 15 行指派为审查者	进行中 (0/1人)
审查	godmiaozi zhuoli72 徐城	进行中 (0/1人)
测试	openharmony_ci	进行中 (0/1人)

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