Add private DataSpace (named) ctor `fromId`.

[1uc]

Certain HDF5 API creates data spaces, in order to use this API, we need to be able to create HighFive::DataSpace from an HID.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.78%. Comparing base (8bb1ed8) to head (40d2159).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1030 +/- ## ======================================= Coverage 86.78% 86.78% ======================================= Files 101 101 Lines 5964 5964 ======================================= Hits 5176 5176 Misses 788 788 ```

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