Rollup merge of #126115 - gurry:125876-ice-unwrap-probe-many-result, r=compiler-errors

Fix ICE due to `unwrap` in `probe_for_name_many`

Fixes #125876

Now `probe_for_name_many` bubbles up the error returned by `probe_op` instead of calling `unwrap` on it.

Author: matthiaskrgr