Fix upload and download progress bars

[yahavi]

• [x] All tests passed. If this feature is not already covered by the tests, I added new tests.
• [x] All static analysis checks passed.
• [x] This pull request is on the dev branch.

• [x] I used gofmt for formatting the code before submitting the pull request.

Required for https://github.com/jfrog/jfrog-client-go/pull/900 Dependency for https://github.com/jfrog/jfrog-cli/pull/2433

Fix the upload/download progress bar and get the code ready to support multipart upload.