schicexplorer: cp input file

[bernt-matthias]

library opens the file r+ because it assumes that src and dst can be the same

https://github.com/open2c/cooler/blob/987e87dd357c99a0a070b8a25cb7aaef86f1655c/cooler/fileops.py#L277

FOR CONTRIBUTOR:

• [x] - I have read the CONTRIBUTING.md document and this tool is appropriate for the tools-iuc repo.
• [x] - License permits unrestricted use (educational + commercial)
• [ ] - This PR adds a new tool or tool collection
• [x] - This PR updates an existing tool or tool collection
• [ ] - This PR does something else (explain below)

[bernt-matthias]

scool datatype is still missing in Galaxy https://github.com/galaxyproject/galaxy/pull/14480

[bernt-matthias]

https://github.com/galaxyproject/tools-iuc/pull/4060