Use rust-native error for DisjointLayout

[raynelfss]

The following commits modify DisjointLayout to use rust-native errors throughout its pipeline, specifically on its distribute_components method.
We implement the DisjointLayoutError enumeration which derives from DAGError and implements two variants:

• MultiQEncountered for when the interaction graph finds a multiqubit operation;
• MismatchedComponentSize for when the circuit and the coupling map have components of differing sizes.

AI/LLM disclosure

• I didn't use LLM tooling, or only used it privately.
• I used the following tool to help write this PR description:
• I used the following tool to generate or modify code:

[qiskit-bot]

One or more of the following people are relevant to this code:

• @Qiskit/terra-core

[coveralls]

Coverage Report for CI Build 26653406134

Warning

Build has drifted: This PR's base is out of sync with its target branch, so coverage data may include unrelated changes.
Quick fix: rebase this PR. Learn more →

Coverage decreased (-0.1%) to 87.523%

Details

• Coverage decreased (-0.1%) from the base build.
• Patch coverage: 3 uncovered changes across 1 file (23 of 26 lines covered, 88.46%).
• 387 coverage regressions across 11 files.

Uncovered Changes

File	Changed	Covered	%
crates/transpiler/src/passes/disjoint_layout.rs	26	23	88.46%

Coverage Regressions

387 previously-covered lines in 11 files lost coverage.

Top 10 Files by Coverage Loss	Lines Losing Coverage	Coverage
crates/bindgen-cli/src/abi.rs	210	0.0%
qiskit/synthesis/unitary/qsd.py	82	23.65%
crates/bindgen-cli/src/main.rs	28	0.0%
qiskit/transpiler/preset_passmanagers/builtin_plugins.py	20	95.05%
crates/qasm2/src/parse.rs	12	97.15%
crates/transpiler/src/passes/barrier_before_final_measurement.rs	11	89.62%
crates/bindgen/src/simple_ir.rs	9	70.97%
crates/transpiler/src/passes/convert_to_pauli_rotations.rs	7	95.54%
crates/qasm2/src/lex.rs	5	91.52%
crates/transpiler/src/passes/substitute_pi4_rotations.rs	2	96.06%

---

Coverage Stats

Relevant Lines:	123932
Covered Lines:	108469
Line Coverage:	87.52%
Coverage Strength:	964190.38 hits per line

---

💛 - Coveralls

Forgot to adjust the Py-conversion of the added text