Maintenance Plan cleanup task populates File Extension field erroneously (4218366)

Maintenance Plans Cleanup task populates File Extension field erroneously when Delete File Types is changed from the default

Steps to Reproduce:
1. install LiteSpeed 5.2
2. create a new maintenance plan and drag the Clean Up Maintenance Plans task into the design window
3. double click the task to open it
4. note that under Delete File Types, backup files is the default and there is no value specified in the file extension field
5. select the radio button next to Any Files
6. note that the file extension field is now populated with a TXT extension

Defect

WORKAROUND:
Update the file type field manually and save maintenance Plan.

STATUS: Fixed in a future version of LiteSpeed.