Sorting work only after scroll in pair picker when creating rewards campaign

[niemam29]

Description Sorting work only after scroll in pair picker when creating rewards campaign

Definition of done

• [X] Description is created (Task creator)
• [ ] Code is complete (Developer)
• [ ] Scope of test and what was done section is defined in task (Developer)
• [ ] Review passed (Code reviewer)
• [ ] Verified manually (QA)
• [ ] Test cases created/updated if necessary (QA)
• [ ] Change successfully merged
• [ ] Release notes added if needed

How to Reproduce Steps to reproduce the behavior:

1. Go to Rewards
2. Click on Create Campaign
3. Click on select Liquidity Pair
4. Click on sort button (small arrow under the search input)

Expected behavior It should instantly sort the tokens by name

Recording https://images.zenhubusercontent.com/209400598/ea0a302e-87a2-4ab6-b7aa-83e8af2cf780/screen.mp4