Fix #173, Truncate files when created to avoid stale data

[skliper]

Checklist (Please check before submitting)

• I reviewed the Contributing Guide.
• I signed and emailed the appropriate Contributor License agreement to GSFC-SoftwareRelease@mail.nasa.gov and copied cfs-program@lists.nasa.gov.

Describe the contribution

• Fix Write queue data does not truncate existing files #173

Testing performed
CI

Expected behavior changes
Truncates when creating files (avoids stale data if previous file was larger)

System(s) tested on
CI

Additional context
None

Third party code
None

Contributor Info - All information REQUIRED for consideration of pull request
Jacob Hageman - NASA/GSFC

[astrogeco]

CCB:2022-06-08 APPROVED