Revert "Remove "bugs" that do not exist anymore"

tests/queries/0_stateless/02234_position_case_insensitive_utf8.reference

@@ -1,2 +0,0 @@
-0
-0

tests/queries/0_stateless/02234_position_case_insensitive_utf8.sql

@@ -1,2 +0,0 @@
-SELECT positionCaseInsensitiveUTF8('Hello', materialize('%\xF0%'));
-SELECT DISTINCT positionCaseInsensitiveUTF8(materialize('Hello'), '%\xF0%') FROM numbers(1000);

tests/queries/bugs/01482_move_to_prewhere_and_cast.sql

@@ -1,3 +1,6 @@
+-- Tags: no-polymorphic-parts
+-- Tag no-polymorphic-parts: bug, shoud be fixed
+
 DROP TABLE IF EXISTS APPLICATION;
 DROP TABLE IF EXISTS DATABASE_IO;
 
@@ -19,9 +22,9 @@ ORDER BY Date;
 insert into table DATABASE_IO  values ('AppA', 'BaseA', '2020-01-01 00:00:00', 1000);
 
 SELECT `APPLICATION`.`Name` AS `App`,
-       CAST(CAST(`DATABASE_IO`.`Date` AS DATE) AS DATE) AS `date`
+       CAST(CAST(`DATABASE_IO`.`Date` AS DATE) AS DATE) AS `date` 
 FROM   `DATABASE_IO`
-INNER
+INNER 
 JOIN   `APPLICATION` ON (`DATABASE_IO`.`Base` = `APPLICATION`.`Base`)
 WHERE (
        CAST(CAST(`DATABASE_IO`.`Date` AS DATE) AS TIMESTAMP) >= toDateTime('2020-01-01 00:00:00')

tests/queries/bugs/position_case_insensitive_utf8.sql

@@ -0,0 +1,2 @@
+SELECT positionCaseInsensitiveUTF8('Hello', materialize('%\xF0%'));
+SELECT positionCaseInsensitiveUTF8(materialize('Hello'), '%\xF0%') FROM numbers(1000);