[GPU] Use the same flags as the whole buffer when creating an OCL subbuffer

[tkrupa-intel]

Details:

• This call sometimes fails with CL_INVALID_VALUE error when OV_GPU_DISABLE_USM is set.
• Previously defined flags are not always allowed depending on the existing buffer's flags according to the specification: https://registry.khronos.org/OpenCL/sdk/3.0/docs/man/html/clCreateSubBuffer.html:
  • CL_MEM_READ_WRITE may be illegal if the existing buffer's flags include CL_MEM_WRITE_ONLY or CL_MEM_READ_ONLY.
  • CL_MEM_USE_HOST_PTR is never allowed to be explicitly set in clCreateSubBuffer().
• This change makes the subbuffer inherit the existing buffer's flags.