Issue Summary

In Bitbucket pull requests, if you have an exceedingly large comment, the pull request will be unable to load all of the comments on either the activity tab or the diff.

Steps to Reproduce

1. Create an exceedingly large comment (4k+ lines) on a pull request
2. Try to load the PR; Comments will not load
3. The comment will still show up when looking at the comments on 2.0/pull-requests/comments endpoint

Expected Results

Pull requests should be able to handle large comments.

Actual Results

All comments will not load in Bitbucket pull requests if there is a large comment on it.

Workaround

The comments should still be visible by using this API endpoint:
https://developer.atlassian.com/cloud/bitbucket/rest/api-group-pullrequests/#api-repositories-workspace-repo-slug-pullrequests-pull-request-id-comments-get