[FIX] wysiwyg: Sort of revert of r49697 because {CODE} plugins (& possibly others) were leaving ~/np~ behind when parsing for the editor. So restore removal of them for html format plugins.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50216 b456876b-0849-0410-b77d-98878d47e9d5
a few more

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50217 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] wysiwyg: Don't filter plugin args when executing them for WYSIWYG as it removes wiki {{args}} for instance from the page source (thanks LP)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50218 b456876b-0849-0410-b77d-98878d47e9d5