Swap "Copy for Forum" and "Copy as HTML" actions

Fixes #5401

The bug was introduced by 982d4f3, when DiscourseFormat(Editor, bool html) declarations were swapped. The contextual/right click menu in EditorTab already behaves correctly.

Author: facchinm

app/src/processing/app/Editor.java

@@ -1306,15 +1306,15 @@ public void actionPerformed(ActionEvent e) {
     JMenuItem copyForumItem = newJMenuItemShift(tr("Copy for Forum"), 'C');
     copyForumItem.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
-          getCurrentTab().handleHTMLCopy();
+          getCurrentTab().handleDiscourseCopy();
         }
       });
     menu.add(copyForumItem);
 
     JMenuItem copyHTMLItem = newJMenuItemAlt(tr("Copy as HTML"), 'C');
     copyHTMLItem.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
-          getCurrentTab().handleDiscourseCopy();
+          getCurrentTab().handleHTMLCopy();
         }
       });
     menu.add(copyHTMLItem);