[FLINK-27859][hive] Hive dialect should support create table whose name begins with digits

[luoyuxia]

What is the purpose of the change

To enable create table whose name begins with digits when using Hive dialect.

Brief change log

Not to convert table's name to UnresolvedIdentifier using calcite's parser in HiveParserDDLSemanticAnalyzer.java#parseObjectIdentifier, but just split using ..
It's fine for when it comes to call HiveParserDDLSemanticAnalyzer.java#parseObjectIdentifier, the sytax validation has been done in HiveParser.

Verifying this change

Addted test in HiveDialectITCase.java

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): no
• The public API, i.e., is any changed class annotated with @Public(Evolving): no
• The serializers: no
• The runtime per-record code paths (performance sensitive): no
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
• The S3 file system connector: no

Documentation

• Does this pull request introduce a new feature? no
• If yes, how is the feature documented? N/A

[flinkbot]

CI report:

• 483e69c Azure: SUCCESS

Bot commands

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[luoyuxia]

@flinkbot run azure

[github-actions]

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[github-actions]

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