fix: conflict check when reference right is none

[darkskygit]

fix a edge case:

Node {
  id: { client: 1, id: 2}
  left: { client: 1, id: 3}
  right: { client: 1, id: 3}
}

in old version, this will lead to a dead loop of node's conflict resolve logics that refered to this node

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4d6a29c) 77.96% compared to head (e027223) 78.12%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #40      +/-   ##
==========================================
+ Coverage   77.96%   78.12%   +0.15%     
==========================================
  Files          52       52              
  Lines        7752     7771      +19     
==========================================
+ Hits         6044     6071      +27     
+ Misses       1708     1700       -8     

Flag	Coverage Δ
node-binding-test	36.92% <ø> (ø)

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[github-actions]

Benchmark for Linux

Click to view benchmark

Test	Base	PR	%
codec/jwst decode var_int (32 bit)	212.2±0.28µs	212.8±1.59µs	+0.28%
codec/jwst decode var_uint (32 bit)	180.8±0.65µs	180.7±0.46µs	-0.06%
codec/jwst decode var_uint (64 bit)	180.4±0.53µs	180.6±0.60µs	+0.11%
codec/jwst encode var_int (32 bit)	334.8±7.90µs	334.0±2.14µs	-0.24%
codec/jwst encode var_uint (32 bit)	250.9±11.17µs	248.0±3.27µs	-1.16%
codec/jwst encode var_uint (64 bit)	249.1±6.14µs	249.0±3.42µs	-0.04%
codec/lib0 decode var_int (64 bit)	185.8±2.28µs	186.6±3.00µs	+0.43%
codec/lib0 decode var_uint (32 bit)	155.0±5.67µs	152.8±2.23µs	-1.42%
codec/lib0 decode var_uint (64 bit)	154.7±3.18µs	154.4±2.75µs	-0.19%
codec/lib0 encode var_int (64 bit)	384.8±3.61µs	385.0±1.19µs	+0.05%
codec/lib0 encode var_uint (32 bit)	372.9±0.45µs	373.7±0.37µs	+0.21%
codec/lib0 encode var_uint (64 bit)	373.1±1.64µs	373.8±0.88µs	+0.19%
ops/array/jwst/insert	105.5±0.64µs	105.2±0.45µs	-0.28%
ops/array/jwst/insert range	155.2±2.06µs	158.2±0.83µs	+1.93%
ops/array/jwst/remove	60.3±0.33µs	60.9±0.33µs	+1.00%
ops/array/yrs/insert	58.0±2.19µs	51.5±0.44µs	-11.21%
ops/array/yrs/insert range	74.7±0.21µs	75.8±1.02µs	+1.47%
ops/array/yrs/remove	63.2±0.70µs	66.5±0.30µs	+5.22%
ops/map/jwst/get	207.2±1.85ns	209.4±4.64ns	+1.06%
ops/map/jwst/insert	3.2±0.03µs	3.2±0.02µs	-0.00%
ops/map/jwst/remove	4.3±0.01µs	4.3±0.08µs	-0.00%
ops/map/yrs/get	262.4±5.63ns	261.3±0.81ns	-0.42%
ops/map/yrs/insert	3.9±0.11µs	3.9±0.03µs	-0.00%
ops/map/yrs/remove	5.0±0.01µs	5.0±0.03µs	-0.00%
ops/text/jwst/insert	67.4±0.41µs	67.6±0.51µs	+0.30%
ops/text/jwst/remove	1396.5±11.89ns	1411.7±7.94ns	+1.09%
ops/text/yrs/insert	27.4±0.89µs	27.0±0.19µs	-1.46%
ops/text/yrs/remove	1728.3±3.95ns	1714.8±18.44ns	-0.78%
update/parse with jwst/basic.bin	39.8±0.27µs	39.2±0.12µs	-1.51%
update/parse with jwst/database.bin	31.8±0.33µs	31.7±0.11µs	-0.31%
update/parse with jwst/large.bin	3.2±0.02ms	3.2±0.03ms	-0.00%
update/parse with jwst/with-subdoc.bin	5.2±0.04µs	5.5±0.03µs	+5.77%
update/parse with yrs/basic.bin	29.9±0.50µs	30.3±0.15µs	+1.34%
update/parse with yrs/database.bin	24.1±0.09µs	24.3±0.11µs	+0.83%
update/parse with yrs/large.bin	2.4±0.01ms	2.3±0.01ms	-4.17%
update/parse with yrs/with-subdoc.bin	3.5±0.03µs	4.1±0.01µs	+17.14%

Benchmark for Windows

Click to view benchmark

Test	Base	PR	%
codec/jwst decode var_int (32 bit)	243.1±1.40µs	242.4±0.72µs	-0.29%
codec/jwst decode var_uint (32 bit)	180.7±3.57µs	180.2±4.10µs	-0.28%
codec/jwst decode var_uint (64 bit)	207.1±2.18µs	207.2±1.63µs	+0.05%
codec/jwst encode var_int (32 bit)	303.4±2.97µs	302.8±3.70µs	-0.20%
codec/jwst encode var_uint (32 bit)	267.9±5.38µs	271.0±2.05µs	+1.16%
codec/jwst encode var_uint (64 bit)	267.3±3.76µs	264.9±2.76µs	-0.90%
codec/lib0 decode var_int (64 bit)	186.7±3.32µs	184.1±5.58µs	-1.39%
codec/lib0 decode var_uint (32 bit)	157.5±8.68µs	155.5±6.33µs	-1.27%
codec/lib0 decode var_uint (64 bit)	160.2±8.69µs	159.6±7.89µs	-0.37%
codec/lib0 encode var_int (64 bit)	384.7±1.83µs	385.5±3.04µs	+0.21%
codec/lib0 encode var_uint (32 bit)	375.4±5.31µs	373.2±1.47µs	-0.59%
codec/lib0 encode var_uint (64 bit)	373.9±2.62µs	373.5±1.75µs	-0.11%
ops/array/jwst/insert	124.0±0.78µs	124.7±2.70µs	+0.56%
ops/array/jwst/insert range	183.7±1.48µs	180.1±0.64µs	-1.96%
ops/array/jwst/remove	68.5±0.28µs	66.2±0.29µs	-3.36%
ops/array/yrs/insert	76.5±0.93µs	72.7±0.39µs	-4.97%
ops/array/yrs/insert range	100.2±1.61µs	99.5±0.91µs	-0.70%
ops/array/yrs/remove	105.5±1.96µs	104.1±0.90µs	-1.33%
ops/map/jwst/get	266.9±11.97ns	268.8±3.86ns	+0.71%
ops/map/jwst/insert	5.1±0.03µs	4.8±0.04µs	-5.88%
ops/map/jwst/remove	9.2±0.08µs	6.7±0.02µs	-27.17%
ops/map/yrs/get	269.9±4.54ns	268.9±3.88ns	-0.37%
ops/map/yrs/insert	5.7±0.11µs	5.8±0.06µs	+1.75%
ops/map/yrs/remove	6.9±0.05µs	7.4±0.03µs	+7.25%
ops/text/jwst/insert	88.2±0.51µs	84.6±0.64µs	-4.08%
ops/text/jwst/remove	2.2±0.02µs	2.1±0.02µs	-4.55%
ops/text/yrs/insert	33.4±0.46µs	31.9±0.21µs	-4.49%
ops/text/yrs/remove	2.6±0.03µs	2.5±0.02µs	-3.85%
update/parse with jwst/basic.bin	57.8±0.61µs	58.3±0.47µs	+0.87%
update/parse with jwst/database.bin	45.0±0.91µs	46.1±0.19µs	+2.44%
update/parse with jwst/large.bin	2.9±0.13ms	2.8±0.06ms	-3.45%
update/parse with jwst/with-subdoc.bin	8.4±0.10µs	8.7±0.15µs	+3.57%
update/parse with yrs/basic.bin	43.7±0.71µs	44.0±0.26µs	+0.69%
update/parse with yrs/database.bin	35.5±0.18µs	35.6±0.31µs	+0.28%
update/parse with yrs/large.bin	2.1±0.14ms	2.2±0.08ms	+4.76%
update/parse with yrs/with-subdoc.bin	7.3±0.07µs	7.3±0.05µs	-0.00%