Use theme colors in rounded buttons disabled state

Some rounded buttons doesn't use color from theme in Disabled state.

In some views, the green color of the button's labels is hard-coded into storyboards.

TODO : define title color for Disabled state from theme in RoundedButton.updateButtonStyle method.

Start with the RoundedButton.updateButtonStyle method and inspect the storyboards where disabled button label colors are hard-coded. Trace how the theme supplies colors for the disabled state, then confirm that rounded buttons use the themed title color consistently in those views.

Written by the indexing model from the issue text.