Upload heap panic fix
MERGE REQUEST
Overview
Fixes panic found in pipeline https://gitlab.com/NebulousLabs/Sia/-/jobs/535862866
If a chunk's status switch when it was already in the heap, it could be added again resulting in it getting Popped twice and triggering the above panic.
Example for Visual Changes
Checklist
Review and complete the checklist to ensure that the MR is complete before assigned to an approver.
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All new methods or updated methods have clear docstrings -
Testing added or updated for new methods -
Any new packages are added to Makefile and .gitlab-ci.yml -
API documentation updated for API updates -
Module README.md updated for changes to workflow -
Issue added to Sia-UI repo for new supporting features -
Changelog File Created