Refactor wasmi_core::Trap and make it more similar to Wasmtime's Trap

[Robbepop]

Closes #517.
Unblocks #557.

[paritytech-cicd-pr]

BENCHMARKS

	NATIVE			WASMTIME
BENCHMARK	MASTER	PR	DIFF	MASTER	PR	DIFF	WASMTIME OVERHEAD
execute/ bare_call_0	1.25ms	1.20ms	🟢 -3.35%	926.24µs	884.08µs	🟢 -4.53%	🟢 -27%
execute/ bare_call_0/typed	645.52µs	640.69µs	⚪ -0.94%	396.14µs	399.24µs	⚪ 0.91%	🟢 -38%
execute/ bare_call_1	1.34ms	1.34ms	🟢 0.00%	1.14ms	1.07ms	🟢 -6.26%	🟢 -20%
execute/ bare_call_16	2.83ms	2.83ms	⚪ -0.18%	4.76ms	4.76ms	🟢 -0.03%	🟡 68%
execute/ bare_call_16/typed	1.37ms	1.36ms	⚪ -0.35%	2.16ms	2.02ms	🟢 -6.65%	🟢 49%
execute/ bare_call_1/typed	824.46µs	758.56µs	🟢 -7.86%	685.45µs	682.28µs	⚪ -0.43%	🟢 -10%
execute/ bare_call_4	1.63ms	1.64ms	⚪ 0.44%	1.72ms	1.71ms	🟢 -0.96%	🟢 4%
execute/ bare_call_4/typed	860.71µs	858.56µs	⚪ -0.32%	835.16µs	812.29µs	🟢 -2.72%	🟢 -5%
execute/ br_table	826.25µs	795.46µs	⚪ -3.31%	896.95µs	907.91µs	⚪ 1.50%	🟢 14%
execute/ count_until	773.13µs	772.69µs	⚪ 0.00%	2.05ms	2.06ms	⚪ 0.24%	🔴 166%
execute/ factorial_iterative	338.26µs	338.77µs	⚪ 0.02%	843.01µs	849.97µs	⚪ 0.92%	🔴 151%
execute/ factorial_recursive	674.35µs	677.18µs	⚪ 0.49%	1.26ms	1.25ms	🟢 -1.34%	🟡 84%
execute/ fib_iterative	1.67ms	1.68ms	⚪ 2.11%	4.49ms	4.48ms	⚪ -0.34%	🔴 167%
execute/ fib_recursive	6.59ms	6.60ms	⚪ 0.16%	12.51ms	12.46ms	⚪ -0.27%	🟡 89%
execute/ global_bump	1.17ms	1.18ms	⚪ 0.12%	3.15ms	3.11ms	⚪ -1.25%	🔴 164%
execute/ global_const	878.97µs	880.23µs	⚪ 0.06%	2.31ms	2.31ms	⚪ -0.23%	🔴 162%
execute/ host_calls	31.86µs	31.57µs	⚪ -0.43%	35.65µs	35.50µs	⚪ -0.53%	🟢 12%
execute/ memory_fill	1.50ms	1.53ms	🔴 2.04%	3.92ms	3.93ms	⚪ 0.62%	🔴 157%
execute/ memory_sum	1.53ms	1.49ms	🟢 -2.81%	3.90ms	3.89ms	⚪ 0.06%	🔴 161%
execute/ memory_vec_add	3.15ms	3.13ms	⚪ -0.53%	8.15ms	8.31ms	🔴 1.77%	🔴 165%
execute/ recursive_is_even	1.25ms	1.24ms	⚪ -1.24%	2.09ms	2.11ms	⚪ 1.00%	🟡 70%
execute/ recursive_ok	164.25µs	164.68µs	⚪ 0.01%	300.16µs	292.52µs	🟢 -2.53%	🟡 78%
execute/ recursive_scan	199.20µs	199.04µs	⚪ -0.17%	377.79µs	368.61µs	🟢 -2.33%	🟡 85%
execute/ recursive_trap	16.10µs	16.10µs	⚪ -0.20%	30.55µs	28.24µs	🟢 -7.33%	🟡 75%
execute/ regex_redux	686.20µs	661.40µs	🟢 -3.72%	1.43ms	1.40ms	🟢 -1.66%	🔴 111%
execute/ rev_complement	609.24µs	609.66µs	⚪ 0.27%	1.39ms	1.39ms	⚪ 0.04%	🔴 129%
execute/ tiny_keccak	463.55µs	456.45µs	⚪ -1.16%	1.16ms	1.15ms	⚪ -0.48%	🔴 152%
execute/ trunc_f2i	1.10ms	1.09ms	⚪ -0.83%	2.38ms	2.37ms	⚪ -0.35%	🔴 117%
instantiate/ wasm_kernel	72.20µs	72.88µs	⚪ 0.52%	67.48µs	67.20µs	⚪ 0.03%	🟢 -8%
translate/ erc1155	242.34µs	243.33µs	⚪ 0.53%	379.39µs	379.13µs	⚪ -0.18%	🟡 56%
translate/ erc20	119.66µs	119.12µs	⚪ -0.04%	183.57µs	186.06µs	⚪ 1.23%	🟡 56%
translate/ erc721	169.60µs	170.68µs	⚪ 0.45%	267.80µs	268.26µs	⚪ 0.35%	🟡 57%
translate/ spidermonkey	0.00ns	0.00ns	🔴 1.39%	0.00ns	0.00ns	⚪ -0.35%	🟢 0%
translate/ wasm_kernel	4.13ms	4.15ms	⚪ -0.04%	7.10ms	7.11ms	⚪ -0.24%	🟡 71%

Link to pipeline