fix: Allow more then one comment in a line (#336)

Author: yammesicka

lms/static/comments.js

@@ -4,14 +4,14 @@ const FLAKE_COMMENTED_LINE_COLOR = '#fac4c3';
 const HOVER_LINE_STYLE = '1px solid #0d0d0f';
 
 function markLine(target, color, deletion = false) {
- if (target.dataset && target.dataset.marked === 'true' && !deletion) { return; }
- if (target.dataset && target.dataset.vimbackground === 'true' && !deletion) { return; }
+ if (target.dataset && target.dataset.marked === 'true' && !deletion) {return;}
+ if (target.dataset && target.dataset.vimbackground === 'true' && !deletion) {return;}
  target.style.background = color;
 }
 
 function hoverLine(targets, hover) {
  const [lineTarget, addCommentTarget] = targets;
- if (lineTarget.dataset && lineTarget.dataset.vimbackground === 'true') { return; }
+ if (lineTarget.dataset && lineTarget.dataset.vimbackground === 'true') {return;}
  const commentOpacity = (hover === true) ? '1' : '0';
  let parsedColor = hover;
  if (hover === true) {
@@ -44,8 +44,8 @@ function addCommentToLine(line, commentData) {
  const commentText = `<span class="comment" data-line="${line}" data-commentid="${commentData.id}" data-author-role="${commentData.author_role}">${formattedComment}</span>`;
  let existingPopover = bootstrap.Popover.getInstance(commentElement);
  if (existingPopover !== null) {
- const existingContent = `${existingPopover.config.content} <hr>`;
- existingPopover.config.content = existingContent + commentText;
+ const existingContent = `${existingPopover._config.content} <hr>`;
+ existingPopover._config.content = existingContent + commentText;
  } else {
  existingPopover = new bootstrap.Popover(commentElement, {
  html: true,