Skips SEA check when dbsql version string is blank space (#605)

* init

* init

* init

* init

Author: madhav-db

src/main/java/com/databricks/jdbc/common/util/DriverUtil.java

@@ -103,8 +103,8 @@ static void ensureUpdatedDBSQLVersionInUse(IDatabricksConnection connection)
       // Check applicable only for SEA flow
       return;
     }
-    String dbsqlVersion = getDBSQLVersionCached(connection);
-    if (dbsqlVersion == null || dbsqlVersion == "") {
+    String dbsqlVersion = getDBSQLVersionCached(connection).trim();
+    if (WildcardUtil.isNullOrEmpty(dbsqlVersion)) {
       // If the DBSQL version is not available, we cannot determine if the driver supports SEA.
       // Proceeding with the connection.
       return;

src/test/java/com/databricks/jdbc/common/util/DriverUtilTest.java

@@ -34,13 +34,16 @@ void setUp() {
   }
 
   @ParameterizedTest
-  @CsvSource({
-    "2023.99, true",
-    "2024.30, false",
-    "2024.29, true",
-    "2024.31, false",
-    "2025.0, false",
-  })
+  @CsvSource(
+      value = {
+        "2023.99, true",
+        "2024.30, false",
+        "2024.29, true",
+        "2024.31, false",
+        "2025.0, false",
+        "'', false", // empty string
+        "' ', false" // string with one space
+      })
   void testDriverSupportInSEA(String dbsqlVersion, boolean throwsError) throws SQLException {
     when(connection.getConnectionContext()).thenReturn(connectionContext);
     when(connectionContext.getClientType()).thenReturn(DatabricksClientType.SQL_EXEC);