MDEV-28227 Chinese translation postfix

Add chinese language to missing sql/share/CMakeLists.txt that
results in installed files.

Also add bulgarian=bgn which has existing for a long time.

Sort both lists properly.

Append both to debian/mariadb-server-core-10.4 too.

debian/mariadb-server-core-10.4.install

@@ -9,6 +9,8 @@ usr/share/man/man1/mysql_install_db.1
 usr/share/man/man1/mysql_upgrade.1
 usr/share/man/man8/mariadbd.8
 usr/share/man/man8/mysqld.8
+usr/share/mysql/bulgarian
+usr/share/mysql/chinese
 usr/share/mysql/charsets
 usr/share/mysql/czech
 usr/share/mysql/danish

sql/share/CMakeLists.txt

@@ -15,30 +15,32 @@
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1335 USA
 
 SET (dirs 
+bulgarian
+chinese
+czech
 danish
-german 
-slovak
 dutch
-greek
-norwegian
-spanish
 english
+estonian
+french
+german
+greek
+hindi
 hungarian
-norwegian-ny
-swedish
 italian
-polish
-ukrainian
 japanese
+korean
+norwegian-ny
+norwegian
+polish
 portuguese
 romanian
-estonian 
-korean
 russian
-czech
-french
 serbian
-hindi
+slovak
+spanish
+swedish
+ukrainian
 )
 
 SET(files 

sql/share/errmsg-utf8.txt

-languages chinese=chi gbk, czech=cze latin2, danish=dan latin1, dutch=nla latin1, english=eng latin1, estonian=est latin7, french=fre latin1, german=ger latin1, greek=greek greek, hungarian=hun latin2, italian=ita latin1, japanese=jpn ujis, korean=kor euckr, norwegian-ny=norwegian-ny latin1, norwegian=nor latin1, polish=pol latin2, portuguese=por latin1, romanian=rum latin2, russian=rus koi8r, serbian=serbian cp1250, slovak=slo latin2, spanish=spa latin1, swedish=swe latin1, ukrainian=ukr koi8u, bulgarian=bgn cp1251, hindi=hindi utf8;
+languages bulgarian=bgn cp1251, chinese=chi gbk, czech=cze latin2, danish=dan latin1, dutch=nla latin1, english=eng latin1, estonian=est latin7, french=fre latin1, german=ger latin1, greek=greek greek, hindi=hindi utf8, hungarian=hun latin2, italian=ita latin1, japanese=jpn ujis, korean=kor euckr, norwegian-ny=norwegian-ny latin1, norwegian=nor latin1, polish=pol latin2, portuguese=por latin1, romanian=rum latin2, russian=rus koi8r, serbian=serbian cp1250, slovak=slo latin2, spanish=spa latin1, swedish=swe latin1, ukrainian=ukr koi8u;
 
 default-language eng