[SPARK-42746][SQL][FOLLOWUP] Improve the golden files by print the hex string of binary

### What changes were proposed in this pull request?
This PR propose to improve the golden files by print the hex string of binary

### Why are the changes needed?
Based on the discussion at https://github.com/apache/spark/pull/48748/files#r1852083414.
We should make the output of golden tests more clear.

### Does this PR introduce _any_ user-facing change?
'No'.
New feature.

### How was this patch tested?
GA

### Was this patch authored or co-authored using generative AI tooling?
'No'.

Closes #49889 from beliefer/SPARK-42746_followup.

Authored-by: beliefer <[email protected]>
Signed-off-by: yangjie01 <[email protected]>

Author: beliefer

sql/core/src/test/resources/sql-tests/inputs/listagg.sql

@@ -1,3 +1,5 @@
+--SET spark.sql.binaryOutputStyle=HEX
+
 -- Create temporary views
 CREATE TEMP VIEW df AS
 SELECT * FROM (VALUES ('a', 'b'), ('a', 'c'), ('b', 'c'), ('b', 'd'), (NULL, NULL)) AS t(a, b);

sql/core/src/test/resources/sql-tests/results/listagg.sql.out

@@ -154,23 +154,23 @@ SELECT listagg(c1) FROM (VALUES (X'DEAD'), (X'BEEF')) AS t(c1)
 -- !query schema
 struct<listagg(c1, NULL):binary>
 -- !query output
-ޭ��
+DEADBEEF
 
 
 -- !query
 SELECT listagg(c1, NULL) FROM (VALUES (X'DEAD'), (X'BEEF')) AS t(c1)
 -- !query schema
 struct<listagg(c1, NULL):binary>
 -- !query output
-ޭ��
+DEADBEEF
 
 
 -- !query
 SELECT listagg(c1, X'42') FROM (VALUES (X'DEAD'), (X'BEEF')) AS t(c1)
 -- !query schema
 struct<listagg(c1, X'42'):binary>
 -- !query output
-ޭB��
+DEAD42BEEF
 
 
 -- !query