Allow first comment block to appear before or after :param type lines

Author: kmvanbrunt

cmd2/cmd2.py

@@ -2460,15 +2460,16 @@ def _print_topics(self, header: str, cmds: List[str], verbose: bool) -> None:
                     found_first = False
                     for doc_line in doc.splitlines():
                         stripped_line = doc_line.strip()
+
+                        # Don't include :param type lines
                         if stripped_line.startswith(':'):
-                            # Stop since we've now hit the :param type lines
-                            break
+                            if found_first:
+                                break
                         elif stripped_line:
                             doc_block.append(stripped_line)
                             found_first = True
-                        else:
-                            if found_first:
-                                break
+                        elif found_first:
+                            break
 
                     for doc_line in doc_block:
                         self.stdout.write('{: <{col_width}}{doc}\n'.format(command,