fix(mrml-core): script elements should remain with open and close element

[jdrouet]

Fixes #319

[codecov]

Codecov Report

Merging #320 (c61f0e0) into main (840bb97) will increase coverage by 0.08%.
The diff coverage is 100.00%.

❗ Current head c61f0e0 differs from pull request most recent head e36bdeb. Consider uploading reports for the commit e36bdeb to get more accurate results

@@            Coverage Diff             @@
##             main     #320      +/-   ##
==========================================
+ Coverage   93.12%   93.21%   +0.08%     
==========================================
  Files         230      230              
  Lines       12115    12136      +21     
==========================================
+ Hits        11282    11312      +30     
+ Misses        833      824       -9     

Files Changed	Coverage Δ
packages/mrml-core/src/node/render.rs	89.28% <100.00%> (+6.42%)	⬆️

... and 2 files with indirect coverage changes