show "Not all partitions have their rate estimated" warning in SiteModelPanel correctly. fixes #667
show "Not all partitions have their rate estimated" warning in SiteModelPanel correctly. fixes #667

CompEvol/beast2,CompEvol/beast2,Anaphory/beast2,tgvaughan/beast2,CompEvol/beast2,tgvaughan/beast2,tgvaughan/beast2,Anaphory/beast2,Anaphory/beast2,CompEvol/beast2,Anaphory/beast2,tgvaughan/beast2