Fix completion auto-open position in notebook cells

[minestarks]

Fix regression in #1310

Bug:

Fix:

[github-actions]

Benchmark for df96d4f

Click to view benchmark

Test	Base	PR	%
Array append evaluation	346.9±4.22µs	351.3±11.71µs	+1.27%
Array literal evaluation	193.2±3.76µs	192.8±0.83µs	-0.21%
Array update evaluation	432.7±2.57µs	437.0±10.80µs	+0.99%
Core + Standard library compilation	16.9±0.18ms	17.3±0.42ms	+2.37%
Deutsch-Jozsa evaluation	5.0±0.06ms	5.0±0.04ms	0.00%
Large file parity evaluation	33.7±0.14ms	33.7±0.37ms	0.00%
Large input file compilation	11.2±0.10ms	11.3±0.25ms	+0.89%
Large input file compilation (interpreter)	43.8±0.88ms	44.2±0.95ms	+0.91%
Large nested iteration	34.1±0.48ms	34.4±0.58ms	+0.88%
Perform Runtime Capabilities Analysis (RCA) on Deutsch-Jozsa sample	1487.2±29.73µs	1495.5±37.95µs	+0.56%
Perform Runtime Capabilities Analysis (RCA) on large file sample	7.7±0.09ms	7.8±0.23ms	+1.30%
Perform Runtime Capabilities Analysis (RCA) on teleport sample	1401.6±34.32µs	1410.4±38.31µs	+0.63%
Perform Runtime Capabilities Analysis (RCA) on the core and std libraries	21.0±0.12ms	21.5±0.31ms	+2.38%
Teleport evaluation	80.4±3.73µs	80.3±3.90µs	-0.12%

[github-actions]

Benchmark for 85040d5

Click to view benchmark

Test	Base	PR	%
Array append evaluation	337.1±4.21µs	345.2±2.48µs	+2.40%
Array literal evaluation	180.1±4.07µs	193.3±4.50µs	+7.33%
Array update evaluation	425.7±4.16µs	432.5±2.35µs	+1.60%
Core + Standard library compilation	17.0±0.26ms	17.3±0.59ms	+1.76%
Deutsch-Jozsa evaluation	5.0±0.05ms	5.0±0.05ms	0.00%
Large file parity evaluation	33.5±0.12ms	33.5±0.26ms	0.00%
Large input file compilation	11.5±0.20ms	11.5±0.24ms	0.00%
Large input file compilation (interpreter)	45.3±1.23ms	44.9±1.37ms	-0.88%
Large nested iteration	33.0±0.24ms	34.1±0.39ms	+3.33%
Perform Runtime Capabilities Analysis (RCA) on Deutsch-Jozsa sample	1494.0±27.31µs	1497.7±40.09µs	+0.25%
Perform Runtime Capabilities Analysis (RCA) on large file sample	7.8±0.08ms	7.8±0.11ms	0.00%
Perform Runtime Capabilities Analysis (RCA) on teleport sample	1410.5±31.06µs	1409.6±32.82µs	-0.06%
Perform Runtime Capabilities Analysis (RCA) on the core and std libraries	21.3±0.46ms	21.2±0.53ms	-0.47%
Teleport evaluation	80.2±3.61µs	80.1±3.35µs	-0.12%