fix(FileUpload): Downgrade react-dropzone back to 9.0.0 to avoid a breaking type change, fix behavior regressions#6610

tlabaj merged 4 commits intopatternfly:mainpatternfly/patternfly-react:mainfrom

mturley:file-upload-regression-fixmturley/patternfly-react:file-upload-regression-fixCopy head branch name to clipboard