When you save an article with spaces, before or after the title, the spaces are saved in the database.
Ordering the articles by Title give confusing results.

Summary of Changes

This PR removes the spaces before and after the Article Title when saving the Article.

Testing Instructions

• create some Articles with Titles
• add spaces before one of the Titles
• click on the Order Title
• notice that the ordering seems wrong (the Titles with spaces in front of them are listed first)

Actual result BEFORE applying this Pull Request

If you add spaces before or after the Article Title, those are saved in the database

The "Some titels start with a space or more spaces" is listed first because it starts with spaces.
However the back-end list does not show those spaces:

Expected result AFTER applying this Pull Request

After save the spaces are removed before and after the Article Title

Now the order is correct

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed