1. UI improvements

• Update the delete button with a new icon and arrange the position of the grid headers and text

• Add new informative messages when no custom template is added inside Studio:

• Add new informative message when for the selected custom template, the Project Location is not cofigured from the Studio setup:

• Add new informative message when for the selected custom template, no Language Pair is configured from the Studio setup:

2. New feature: "Clear messages" 

User can remove the informative messages which are displayed after a project was created, using the "Clear messages" button

The results after pressing on the "Clear messages" button:

3. Fixes

• Fix the notifications duplication.
• Fix the display of the projects inside the project list view.
• Fix the load of the project templates within the "Watch folders" view.