[SPARK-48535] Update doc to log warning for join null related config usage

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0, 3.5.2
• Component/s: Structured Streaming
• Labels: pull-request-available
• Assignee: Anish Shrigondekar
• Reporter: Anish Shrigondekar
• Created: 05/Jun/24 06:02
• Updated: 05/Jun/24 08:36
• Resolved: 05/Jun/24 08:36

Description

Update doc to log warning for join null related config usage

Issue Links

• links to: GitHub Pull Request #46875