⚡️ Reorder resp-text-code case stmt for speed

Move the codes that represent error conditions or are uncommon to the
end.  Any "better" ordering requires more statistics on how common
each case is executed in common scenarios.

Author: nevans

lib/net/imap/response_parser.rb

@@ -1498,16 +1498,16 @@ def resp_text_code
         name = resp_text_code__name
         data =
           case name
-          when "ALERT", "PARSE", "READ-ONLY", "READ-WRITE", "TRYCREATE"
-          when "NOMODSEQ"           # CONDSTORE
-          when "BADCHARSET"         then charset_list
           when "CAPABILITY"         then capability__list
           when "PERMANENTFLAGS"     then SP!; flag_list
           when "UIDVALIDITY"        then SP!; number
           when "UIDNEXT"            then SP!; number
           when "UNSEEN"             then SP!; number
           when "APPENDUID"          then resp_code_apnd__data
           when "COPYUID"            then resp_code_copy__data
+          when "BADCHARSET"         then charset_list
+          when "ALERT", "PARSE", "READ-ONLY", "READ-WRITE", "TRYCREATE"
+          when "NOMODSEQ"           # CONDSTORE
           else
             SP? and text_chars_except_rbra
           end