Fixes error flashing during the initial display of dynamic texts because it couldn't find the embedded content and fell back to the containing content.
Fixes wrong background color on button.link.
Updates repeatable labels to dynamically change based on user input.
Fixes ToolPageContext#isPreviewable to return true if there are any renderer paths associated to the type, not just default.
Adds .icon-exclamation-sign to .state-error .tabs item so that it's more noticeable.
Adds back RTE annotations/track changes feature.