branch-2.1: [fix](Nereids) use StringLikeLiteral as parameter type in constant folding #49413 (#49447)

Cherry-picked from #49413

Co-authored-by: morrySnow <[email protected]>

Author: github-actions[bot]

fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/executable/StringArithmetic.java

@@ -403,7 +403,7 @@ public static Expression concatWsVarcharArray(StringLikeLiteral first, ArrayLite
      * Executable arithmetic functions ConcatWs
      */
     @ExecFunction(name = "concat_ws")
-    public static Expression concatWsVarcharVarchar(StringLikeLiteral first, VarcharLiteral... second) {
+    public static Expression concatWsVarcharVarchar(StringLikeLiteral first, StringLikeLiteral... second) {
         StringBuilder sb = new StringBuilder();
         for (int i = 0; i < second.length - 1; i++) {
             sb.append(second[i].getValue());
@@ -467,7 +467,7 @@ public static Expression md5(StringLikeLiteral first) {
      * Executable arithmetic functions md5
      */
     @ExecFunction(name = "md5sum")
-    public static Expression md5Sum(VarcharLiteral... first) {
+    public static Expression md5Sum(StringLikeLiteral... first) {
         try {
             // Step 1: Create a MessageDigest instance for MD5
             MessageDigest md = MessageDigest.getInstance("MD5");
@@ -609,7 +609,7 @@ public static Expression fieldDateTimeV2(DateTimeV2Literal first, DateTimeV2Lite
      * Executable arithmetic functions field
      */
     @ExecFunction(name = "field")
-    public static Expression fieldVarchar(StringLikeLiteral first, VarcharLiteral... second) {
+    public static Expression fieldVarchar(StringLikeLiteral first, StringLikeLiteral... second) {
         return new IntegerLiteral(compareLiteral(first, second));
     }