Issue Summary

a custom field  doesn't sort alphabetically on the Issue View

Steps to Reproduce

1. Create a custom field (select list multiple choices)
2. Add numbers for example from 1 to 10
3. Add this custom field to a business project screen on JSM 
4. Add it to multiple issue types
5. Assign a value to issues 
6. Go to list view and try to sort by using this field

Expected Results

Sorting the list view correctly based on the custom field numbers for example 

1. ABC-1

2.ABC-3

3. ABC-4

4.ABC-2

5.ABC-5

Actual Results

4. ABC-1

1.ABC-3

5. ABC-4

3.ABC-2

2.ABC-5

Workaround

On all issues, Jira issue List views the sort by custom field work properly so a filter might help as a workaround.