MDEV-23583 Fix up community suite/galera_3nodes/disabled.def

mysql-test/suite/galera_3nodes/disabled.def

+##############################################################################
+#
+#  List the test cases that are to be disabled temporarily.
+#
+#  Separate the test case name and the comment with ':'.
+#
+#    <testcasename> : MDEV-<xxxx> <comment>
+# 
+#  Do not use any TAB characters for whitespace.
+#
+##############################################################################
+
+galera_ipv6_mariabackup : MDEV-23573 Could not open '../galera/include/have_mariabackup.inc'
+galera_ipv6_mariabackup_section : MDEV-23574 Could not open '../galera/include/have_mariabackup.inc'
+galera_ipv6_mysqldump : MDEV-23576 WSREP_SST: [ERROR] rsync daemon port '16008' has been taken
+galera_ipv6_rsyn : MDEV-23581 WSREP_SST: [ERROR] rsync daemon port '16008' has been taken
+galera_ipv6_rsync_section : MDEV-23580 WSREP_SST: [ERROR] rsync daemon port '16008' has been taken
+galera_ipv6_xtrabackup-v2 : MDEV-23575 WSREP_SST: [ERROR] innobackupex not in path
+galera_ist_gcache_rollover : MDEV-23578 WSREP: exception caused by message: {v=0,t=1,ut=255,o=4,s=0,sr=0,as=1,f=6,src=50524cfe,srcvid=view_id(REG,50524cfe,4),insvid=view_id(UNKNOWN,00000000,0),ru=00000000,r=[-1,-1],fs=75,nl=(}
 galera_slave_options_do :MDEV-8798
 galera_slave_options_ignore : MDEV-8798