Parse tables without blank line before

[robinst]

GitHub doesn't mention it in their spec but it does work, e.g.:

text
|a|
|---|
|b|

Parses as a paragraph with "text", and a table.

Implement this in commonmark-java by changing the replaceActiveBlockParser functionality to a replaceParagraphLines that allows to only replace some lines. Using that, we can change the table parser to interrupt a paragraph.

Fixes #372

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 94.79%. Comparing base (8b6ecb6) to head (bb57a5f).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...n/java/org/commonmark/internal/DocumentParser.java	53.33%	6 Missing and 1 partial ⚠️
...n/java/org/commonmark/internal/BlockStartImpl.java	66.66%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #381      +/-   ##
============================================
- Coverage     94.94%   94.79%   -0.16%     
  Complexity      252      252              
============================================
  Files           138      138              
  Lines          4471     4493      +22     
  Branches        646      649       +3     
============================================
+ Hits           4245     4259      +14     
- Misses          122      129       +7     
- Partials        104      105       +1     

Files with missing lines	Coverage Δ
...mark/ext/gfm/tables/internal/TableBlockParser.java	98.79% <100.00%> (ø)
...in/java/org/commonmark/internal/HeadingParser.java	98.63% <100.00%> (ø)
...onmark/internal/LinkReferenceDefinitionParser.java	97.24% <100.00%> (+0.20%)	⬆️
.../java/org/commonmark/internal/ParagraphParser.java	100.00% <100.00%> (ø)
...n/java/org/commonmark/parser/block/BlockStart.java	100.00% <ø> (ø)
...n/java/org/commonmark/internal/BlockStartImpl.java	90.90% <66.66%> (-9.10%)	⬇️
...n/java/org/commonmark/internal/DocumentParser.java	96.84% <53.33%> (-2.09%)	⬇️

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