feat: Update `kafka-connector` to `1.2.4`.

[EdwinBetanc0urt]

• fix: IsParent column as Context Columns. by @EdwinBetanc0urt in https://github.com/adempiere/adempiere-kafka-connector/pull/26
• feat: Update org.apache.kafka:kafka_2.13 to 2.8.2. by @EdwinBetanc0urt in https://github.com/adempiere/adempiere-kafka-connector/pull/27
• fix: Export form associated. by @EdwinBetanc0urt in https://github.com/adempiere/adempiere-kafka-connector/pull/28
• feat: Add support to is_displayed_as_panel and is_displayed_as_table. by @EdwinBetanc0urt in https://github.com/adempiere/adempiere-kafka-connector/pull/29
• feat: Add IsParent flag on field. by @EdwinBetanc0urt in https://github.com/adempiere/adempiere-kafka-connector/pull/30

Full Changelog: https://github.com/adempiere/adempiere-kafka-connector/compare/1.2.1...1.2.4

Additional context

fixes fixes https://github.com/solop-develop/frontend-core/issues/2083