fix(completion): fix issues with completion escaping

[reubeno]

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Test Results

    3 files     32 suites   12m 34s ⏱️
1 896 tests 1 896 ✅ 0 💤 0 ❌
5 660 runs  5 660 ✅ 0 💤 0 ❌

Results for commit f11a885.

♻️ This comment has been updated with latest results.

[github-actions]

Public API changes for crate: brush-core

Added items

+pub brush_core::completion::ProcessingOptions::quote_char: core::option::Option<char>

Performance Benchmark Report

Benchmark name	Baseline (μs)	Test/PR (μs)	Delta (μs)	Delta %
clone_shell_object	18.10 μs	17.92 μs	-0.17 μs	🟢 -0.96%
eval_arithmetic	0.13 μs	0.13 μs	-0.00 μs	⚪ Unchanged
expand_one_string	1.57 μs	1.53 μs	-0.04 μs	⚪ Unchanged
for_loop	21.82 μs	21.52 μs	-0.30 μs	🟢 -1.38%
full_peg_complex	55.86 μs	55.76 μs	-0.10 μs	⚪ Unchanged
full_peg_for_loop	6.35 μs	6.37 μs	0.02 μs	⚪ Unchanged
full_peg_nested_expansions	16.32 μs	16.29 μs	-0.04 μs	⚪ Unchanged
full_peg_pipeline	4.20 μs	4.22 μs	0.03 μs	⚪ Unchanged
full_peg_simple	1.74 μs	1.76 μs	0.03 μs	⚪ Unchanged
function_call	2.24 μs	2.21 μs	-0.04 μs	⚪ Unchanged
instantiate_shell	52.14 μs	53.33 μs	1.19 μs	⚪ Unchanged
instantiate_shell_with_init_scripts	23078.53 μs	23043.93 μs	-34.59 μs	⚪ Unchanged
parse_peg_bash_completion	2205.69 μs	2241.06 μs	35.37 μs	🟠 +1.60%
parse_peg_complex	18.71 μs	18.10 μs	-0.61 μs	🟢 -3.25%
parse_peg_for_loop	1.88 μs	1.87 μs	-0.00 μs	⚪ Unchanged
parse_peg_pipeline	1.97 μs	1.99 μs	0.02 μs	🟠 +1.17%
parse_peg_simple	1.06 μs	1.05 μs	-0.01 μs	⚪ Unchanged
run_echo_builtin_command	11.67 μs	11.55 μs	-0.12 μs	⚪ Unchanged
tokenize_sample_script	3.53 μs	3.56 μs	0.03 μs	⚪ Unchanged

Code Coverage Report: Only Changed Files listed

Package	Base Coverage	New Coverage	Difference
brush-builtins/src/bind.rs	🟠 74.24%	🟠 69.33%	🔴 -4.91%
brush-core/src/completion.rs	🟠 69.94%	🟠 72.27%	🟢 2.33%
brush-core/src/pathsearch.rs	🔴 28.13%	🟢 88.24%	🟢 60.11%
brush-core/src/results.rs	🟢 80.16%	🟢 83.33%	🟢 3.17%
brush-core/src/shell/fs.rs	🟢 90.18%	🟢 98.21%	🟢 8.03%
brush-interactive/src/basic/term_line_reader.rs	🔴 38.95%	🔴 38.34%	🔴 -0.61%
brush-parser/src/ast.rs	🔴 45.33%	🔴 45.21%	🔴 -0.12%
Overall Coverage	🟢 74.39%	🟢 74.62%	🟢 0.23%

Minimum allowed coverage is 70%, this run produced 74.62%

Test Summary: bash-completion test suite

Outcome	Count	Percentage
✅ Pass	1541	73.07
❗️ Error	18	0.85
❌ Fail	196	9.29
⏩ Skip	339	16.07
❎ Expected Fail	13	0.62
✔️ Unexpected Pass	2	0.09
📊 Total	2109	100.00