Fixes Port `BasisTranslator` to Rust Qiskit#12246 This is the final act of the efforts to move the `BasisTranslator` transpiler pass into Rust. With many of the parts of this pass already living in Rust, the following commits attempt to bring in the final changes to allow complete operation of this pass in the Rust space (with of course some interaction with Python.) Methodology: The way this works is by keeping the original `BasisTranslator` python class, and have it store the rust-space counterpart (now called `CoreBasisTranslator`) which will perform all of the operations leveraging the existent Rust API's available for the `Target` (Qiskit#12292), `EquivalenceLibrary`(Qiskit#12585) and the `BasisTranslator` methods `basis_search` (Qiskit#12811) and `compose_transforms`(Qiskit#13137). All of the inner methods will have private visibility and will not be accessible to `Python` as they're intended to be internal by design. By removing the extra layers of conversion we should be seeing a considerable speed-up, alongside all of the other incremental improvements we have made. Changes: - Add the pyo3 class/struct `BasisTranslator` that will contain allof the main data used by the transpiler pass to perform its operation. - Convert the `target_basis` into a set manually from python before sending it into the Rust space. - Remove the exposure of `basis_search` and `compose_transforms` to python. - Change `basis_search` so that it accepts references to `HashSet` instances instead of accepting a `HashSet<&str>` instance. - Change inner method's visibility for `basis_search` and `compose_transform` modules in rust. - Expose the exception imports from `Target` to the `accelerate` crate. - Expose `DAGCircuit::copy_empty_like` to the rest of the crates. - Remove all of the unused imports in the Python-side `BasisTranslator`. Blockers: - [ ] Qiskit#12811

Port BasisTranslator to Rust #12246

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Port `BasisTranslator` to Rust #12246