as_raw_html() has a new line that prevents previous clean implementation with blastula

Reprex below. Seems like a new line is creating the problem.
library(gt)
library(blastula)
#> 
#> Attaching package: 'blastula'
#> The following object is masked from 'package:gt':
#> 
#>     md
library(glue)

tbl <- mtcars[, 1:2] |> head(1) |>  gt() |> as_raw_html()
body <- "Hi here's a {tbl}"
body |>
  glue() |> 
  ## This line fixes it
  # {function(x){gsub("none;\\\">\n", "none;\\\"", x=x)}}() |>
  blastula::md() |>
  blastula::compose_email()

body |> 
  glue()
#> Hi here's a <div id="bejguvrpvn" style="padding-left:0px;padding-right:0px;padding-top:10px;padding-bottom:10px;overflow-x:auto;overflow-y:auto;width:auto;height:auto;">
#>   
#>   <table class="gt_table" data-quarto-disable-processing="false" data-quarto-bootstrap="false" style="-webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; font-family: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'; display: table; border-collapse: collapse; line-height: normal; margin-left: auto; margin-right: auto; color: #333333; font-size: 16px; font-weight: normal; font-style: normal; background-color: #FFFFFF; width: auto; border-top-style: solid; border-top-width: 2px; border-top-color: #A8A8A8; border-right-style: none; border-right-width: 2px; border-right-color: #D3D3D3; border-bottom-style: solid; border-bottom-width: 2px; border-bottom-color: #A8A8A8; border-left-style: none; border-left-width: 2px; border-left-color: #D3D3D3;" bgcolor="#FFFFFF">
#>   <thead style="border-style: none;">
#>     
#>     <tr class="gt_col_headings" style="border-style: none; border-top-style: solid; border-top-width: 2px; border-top-color: #D3D3D3; border-bottom-style: solid; border-bottom-width: 2px; border-bottom-color: #D3D3D3; border-left-style: none; border-left-width: 1px; border-left-color: #D3D3D3; border-right-style: none; border-right-width: 1px; border-right-color: #D3D3D3;">
#>       <th class="gt_col_heading gt_columns_bottom_border gt_right" rowspan="1" colspan="1" scope="col" id="mpg" style="border-style: none; color: #333333; background-color: #FFFFFF; font-size: 100%; font-weight: normal; text-transform: inherit; border-left-style: none; border-left-width: 1px; border-left-color: #D3D3D3; border-right-style: none; border-right-width: 1px; border-right-color: #D3D3D3; vertical-align: bottom; padding-top: 5px; padding-bottom: 6px; padding-left: 5px; padding-right: 5px; overflow-x: hidden; text-align: right; font-variant-numeric: tabular-nums;" bgcolor="#FFFFFF" valign="bottom" align="right">mpg</th>
#>       <th class="gt_col_heading gt_columns_bottom_border gt_right" rowspan="1" colspan="1" scope="col" id="cyl" style="border-style: none; color: #333333; background-color: #FFFFFF; font-size: 100%; font-weight: normal; text-transform: inherit; border-left-style: none; border-left-width: 1px; border-left-color: #D3D3D3; border-right-style: none; border-right-width: 1px; border-right-color: #D3D3D3; vertical-align: bottom; padding-top: 5px; padding-bottom: 6px; padding-left: 5px; padding-right: 5px; overflow-x: hidden; text-align: right; font-variant-numeric: tabular-nums;" bgcolor="#FFFFFF" valign="bottom" align="right">cyl</th>
#>     </tr>
#>   </thead>
#>   <tbody class="gt_table_body" style="border-style: none; border-top-style: solid; border-top-width: 2px; border-top-color: #D3D3D3; border-bottom-style: solid; border-bottom-width: 2px; border-bottom-color: #D3D3D3;">
#>     <tr style="border-style: none;"><td headers="mpg" class="gt_row gt_right" style="border-style: none; padding-top: 8px; padding-bottom: 8px; padding-left: 5px; padding-right: 5px; margin: 10px; border-top-style: solid; border-top-width: 1px; border-top-color: #D3D3D3; border-left-style: none; border-left-width: 1px; border-left-color: #D3D3D3; border-right-style: none; border-right-width: 1px; border-right-color: #D3D3D3; vertical-align: middle; overflow-x: hidden; text-align: right; font-variant-numeric: tabular-nums;" valign="middle" align="right">21</td>
#> <td headers="cyl" class="gt_row gt_right" style="border-style: none; padding-top: 8px; padding-bottom: 8px; padding-left: 5px; padding-right: 5px; margin: 10px; border-top-style: solid; border-top-width: 1px; border-top-color: #D3D3D3; border-left-style: none; border-left-width: 1px; border-left-color: #D3D3D3; border-right-style: none; border-right-width: 1px; border-right-color: #D3D3D3; vertical-align: middle; overflow-x: hidden; text-align: right; font-variant-numeric: tabular-nums;" valign="middle" align="right">6</td></tr>
#>   </tbody>
#>   
#>   
#> </table>
#> </div>
^{Created on 2023-07-03 with reprex v2.0.2}
rstudio / blastula

as_raw_html() has a new line that prevents previous clean implementation with blastula #307
