Add dialog-title CSS class to markdown dialogs. This will help some UI tests to pass.  When the levels were changed to use markdown dialogs they stopped passing because the UI tests expected this CSS class.
Add dialog-title CSS class to markdown dialogs.
This will help some UI tests to pass.  When the levels were changed to use markdown dialogs they stopped passing because the UI tests expected this CSS class.

dillia23/code-dot-org,rvarshney/code-dot-org,dillia23/code-dot-org,pickettd/code-dot-org,dillia23/code-dot-org,pickettd/code-dot-org,rvarshney/code-dot-org,rvarshney/code-dot-org,rvarshney/code-dot-org,rvarshney/code-dot-org,dillia23/code-dot-org,pickettd/code-dot-org,pickettd/code-dot-org,dillia23/code-dot-org,rvarshney/code-dot-org,dillia23/code-dot-org,rvarshney/code-dot-org,pickettd/code-dot-org,pickettd/code-dot-org,dillia23/code-dot-org,dillia23/code-dot-org,pickettd/code-dot-org,rvarshney/code-dot-org,pickettd/code-dot-org