[PR #7374/479e7df6 backport][stable-7] Fix callback/selective task pr…

…int being long (#7391)

Fix callback/selective task print being long (#7374)

* Fix callback/selective task print being long

Compare against all text on the line rather than simply the task_name var,
which does not include 3 formatting characters in the string

* Add changelog fragment

---------

Co-authored-by: Aidan Houck <AidanHouck@users.noreply.github.com>
(cherry picked from commit 479e7df)

Co-authored-by: Aidan Houck <92699100+AidanHouck@users.noreply.github.com>

changelogs/fragments/7374-fix-selective-callback-taskname-length.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - "selective callback plugin - fix length of task name lines in output always being 3 characters longer than desired (https://github.com/ansible-collections/community.general/pull/7374)."

plugins/callback/selective.py

@@ -115,8 +115,8 @@ def _print_task(self, task_name=None):
             line_length = 120
             if self.last_skipped:
                 print()
-            msg = colorize("# {0} {1}".format(task_name,
-                                              '*' * (line_length - len(task_name))), 'bold')
+            line = "# {0} ".format(task_name)
+            msg = colorize("{0}{1}".format(line, '*' * (line_length - len(line))), 'bold')
             print(msg)
 
     def _indent_text(self, text, indent_level):