Ignore line breaks for multiline text

When we have multiline text ```ftl multi = Text can also span multiple lines as long as each new line is indented by at least one space. ``` The line breaks should be ignored. It should output ``` Text can also span multiple lines as long as each new line is indented by at least one space. ``` rather than ``` Text can also span multiple lines as long as each new line is indented by at least one space. ```