optimize: reduce a partitions call when checking permissions (#376)

## Summary

## Checklist
- [ ] Added Unit Tests
- [ ] Covered by existing CI
- [ ] Integration tested
- [ ] Documentation update



<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **Refactor**
- Modified join analysis behavior to disable automatic table permission
checks by default, simplifying operations. Users can now explicitly
enable permission validation when needed.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

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Co-authored-by: Thomas Chow <[email protected]>

Author: tchow-zlai

spark/src/main/scala/ai/chronon/spark/Analyzer.scala

@@ -273,7 +273,7 @@ class Analyzer(tableUtils: TableUtils,
 
   def analyzeJoin(joinConf: api.Join,
                   skewDetection: Boolean = false,
-                  validateTablePermission: Boolean = true,
+                  validateTablePermission: Boolean = false,
                   validationAssert: Boolean = false): (Map[String, DataType], ListBuffer[AggregationMetadata]) = {
     val name = "joins/" + joinConf.metaData.name
     logger.info(s"""|Running join analysis for $name ...\n""".stripMargin)