[FLINK-33947] Fix bugs about prefix in DelegatingConfiguration

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.19.0, 1.17.3, 1.18.2
• Component/s: API / Core
• Labels: pull-request-available
• Assignee: RocMarshal
• Reporter: RocMarshal
• Created: 27/Dec/23 03:35
• Updated: 29/Dec/23 15:19
• Resolved: 29/Dec/23 15:19

Description

It was resulted from https://github.com/apache/flink/pull/23994#issuecomment-1869905090 

-  Check and confirm other potential bug points

-  Fix the bugs about prefix key mapping when operating.

Issue Links

• links to: GitHub Pull Request #24001
• links to: GitHub Pull Request #24010
• links to: GitHub Pull Request #24011