### Describe Your Changes
- Added functionality to cancel running queries on the Explore Logs and
Query pages.
- The loader was changed from a spinner to a top bar within the block.
This still indicates loading, but solves the issue of the spinner
"flickering," especially during graph dragging.
Related issue: #7097https://github.com/user-attachments/assets/98e59aeb-905b-4b9d-bbb2-688223b22a82
### Checklist
The following checks are **mandatory**:
- [ ] My change adheres [VictoriaMetrics contributing
guidelines](https://docs.victoriametrics.com/contributing/).
(cherry picked from commit 6c9772b101)
7bc20086ec