Fix mismatch labels (#242)

Co-authored-by: Filip Lelek <[email protected]>

Author: Filip-L

fplus-lib/src/core/mod.rs

@@ -3311,7 +3311,7 @@ impl LDNApplication {
         let comment = format!(
             "### Issue has been modified. Changes below:
 
-_(OLD vs NEW)_
+_(NEW vs OLD)_
 
 \n>{}",
             differences.join("\n>")