`row_bind()` returns incorrect results

[jmbarbone]

library(mark)
#> 
#> Attaching package: 'mark'
#> The following object is masked from 'package:base':
#> 
#>     sort_by

packageVersion("mark")
#> [1] '0.7.0'

row_bind(data.frame(a = 1, c = 3), data.frame(b = 2))
#>    a c  b
#> 1  1 3 NA
#> 2 NA 2 NA

^{Created on 2024-05-23 with reprex v2.1.0}

row_bind() can probably be simplified, or just removed