fix: MD Parsing for multi space (singerdmx#1828)

* Fixing MD Parsing for multi space

* Fixing lint

Author: dbrezack

lib/src/packages/quill_markdown/markdown_to_delta.dart

@@ -117,9 +117,7 @@ class MarkdownToDelta extends Converter<String, Delta>
     _justPreviousBlockExit = false;
     _listItemIndent = -1;
 
-    final lines = const LineSplitter().convert(input);
-    final mdNodes = markdownDocument.parseLines(lines);
-
+    final mdNodes = markdownDocument.parseInline(input);
     _topLevelNodes.addAll(mdNodes);
 
     for (final node in mdNodes) {