Use SqlApiConf.CASE_SENSITIVE_KEY() instead of hard-coded spark.sql.caseSensitive

[guixiaowen]

Proposed Change

Use SqlApiConf.CASE_SENSITIVE_KEY() instead of hard-coded spark.sql.caseSensitive

Proposal document

No response

Specifications

• Table
• View
• REST
• Puffin
• Encryption
• Other