Fixes for markdown-br omissions

[ddrury]

Fixes #4142

[codecov]

Codecov Report

Merging #4143 (779a38e) into main (fc5ef97) will increase coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff            @@
##               main    #4143   +/-   ##
=========================================
  Coverage     25.87%   25.87%           
  Complexity    11178    11178           
=========================================
  Files          1572     1572           
  Lines         48230    48228    -2     
=========================================
  Hits          12480    12480           
+ Misses        35750    35748    -2     

Impacted Files	Coverage Δ
app/Http/RequestHandlers/ManageMediaData.php	22.64% <0.00%> (-0.15%)	⬇️
resources/views/note-page-details.phtml	0.00% <0.00%> (ø)

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