markdown bugfix for the broken blockquotes

frontend/views/utils/markdown-utils.js

@@ -37,12 +37,13 @@ export function renderMarkdown (str: string): any {
   strSplitByCodeMarkdown.forEach((entry, index) => {
     if (entry.type === 'plain' && strSplitByCodeMarkdown[index - 1]?.text !== '```') {
       let entryText = entry.text
-      entryText = entryText.replace(/</g, '&lt;').replace(/>/g, '&gt;')
+      entryText = entryText.replace(/</g, '&lt;')
+        .replace(/(?<!(^|\n))>/g, '&gt;') // Replace all '>' with '&gt;' except for the ones that are not preceded by a line-break or start of the string (e.g. '> asdf' is a blockquote).
 
       entryText = entryText.replace(/\n(?=\n)/g, '\n<br>')
-        .replace(/<br>\n(\s*)(\d+\.|-)/g, '\n\n$1$2') // [1] custom-handling the case where <br> is directly followed by the start of ordered/unordered lists
-        .replace(/(\d+\.|-)(\s.+)\n<br>/g, '$1$2\n\n') // [2] this is a custom-logic added so that the end of ordered/un-ordered lists are correctly detected by markedjs.
-
+        .replace(/<br>\n(\s*)(>|\d+\.|-)/g, '\n\n$1$2') // [1] custom-handling the case where <br> is directly followed by the start of ordered/unordered lists
+        .replace(/(>|\d+\.|-)(\s.+)\n<br>/g, '$1$2\n\n') // [2] this is a custom-logic added so that the end of ordered/un-ordered lists are correctly detected by markedjs.
+        .replace(/(>)(\s.+)\n<br>/gs, '$1$2\n\n') // [3] this is a custom-logic added so that the end of blockquotes are correctly detected by markedjs. ('s' flag is needed to account for multi-line strings)
       entry.text = entryText
     }
   })