* rocFFT distributed with ROCm 6+ contains a bug meaning that the
strides cannot be set on a plan description twice.
* This commit works around this issue.

Due to rocFFt internal bug ROCm/rocFFT#507
Add cmake version checks based upon rocFFT version.
Add exception to deal with faulty cases for affected rocFFT version.
RocFFT versions taken from https://github.com/ROCm/rocFFT/blob/develop/CHANGELOG.md

Removing rocFFT version check during configurations.
Update checks on dft command for rocFFT version with known issue.

Update namespace to make it consistent across all backends.