[Improvement]: Using 'mixed_iceberg' and 'mixed_hive' indentifier to CREATE CATALOG and deprecate 'arctic' indentifer

[YesOrNo828]

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What would you like to be improved?

Now we create mixed_iceberg or mix_iceberg catalog via the 'arctic' identifier in the Flink SQL. But it would confuse the users about what catalog was created exactly.

CREATE CATALOG <catalog_name> WITH (
  'type'='arctic',
  `<config_key>`=`<config_value>`
); 

We recommend using the following:

CREATE CATALOG <catalog_name> WITH (
  'type'='mixed_iceberg',
  `<config_key>`=`<config_value>`
); 

CREATE CATALOG <catalog_name> WITH (
  'type'='mixed_hive',
  `<config_key>`=`<config_value>`
); 

How should we improve?

No response

Are you willing to submit PR?

• Yes I am willing to submit a PR!

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