[SPARK-51994] Fix ArrowType.Info.== to support complex types

### What changes were proposed in this pull request?

This PR aims to fix `ArrowType.Info.==` to support complex types.

### Why are the changes needed?

Previously, it returns false for the complex types like `struct`.

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

Pass the CIs.

### Was this patch authored or co-authored using generative AI tooling?

No.

Closes #110 from dongjoon-hyun/SPARK-51994.

Authored-by: Dongjoon Hyun <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>

Author: dongjoon-hyun

Sources/SparkConnect/ArrowType.swift

@@ -388,6 +388,8 @@ extension ArrowType.Info: Equatable {
       return lhsId == rhsId
     case (.timeInfo(let lhsId), .timeInfo(let rhsId)):
       return lhsId == rhsId
+    case (.complexInfo(let lhsId), .complexInfo(let rhsId)):
+        return lhsId == rhsId
     default:
       return false
     }