Posts Pagination block - "?stk-query-" is still showing in the URL when changing pages

[andeng1106]

Describe the bug Related to: https://github.com/gambitph/Stackable/issues/2246

To Reproduce Steps to reproduce the behavior:

1. Add a Posts block
2. Add a Pagination
3. Publish and view page
4. Click Next or any page number
5. Check URL if "?stk-query-1-" is included

Expected behavior

• "?stk-query-1-" or anything with "?stk-query-" should not show in URL when changing pages in Posts block
• Link format should be "[url]/posts/page=2"

Screenshots

https://user-images.githubusercontent.com/103395655/171111986-3e89717c-3600-41e6-be16-9f43eaadb00e.mp4