Sandbox: Render selected indicator in the DMN Runner form output card

[jomarko]

This ticket belongs to series of tickets related to dmn evaluation highlights rendering. Previous tickets are:

• DMN Editor: Create new overlay option “Highlight evaluation results” #1527
• DMN Editor: Render evaluation highlights in the Boxed Expression Editor (Decision Tables + Boxed Conditional Expressions) #1547
• Sandbox: Add “Open in Boxed Expression Editor” button in the DMN Runner form output cards #1595
• Sandbox: Add “Open Boxed Expression Editor” button in the DMN Runner table output columns #1741
• DMN Editor: Render badges with evaluation status on Decision nodes #1773
• Integrate DMN Runner evaluation data with KIE Sandbox #1823

Now, opening the expression of the Decision node must highlight the respective output card of the DMN Runner form by giving a bolder border. Figure 1 shows an example in case the user opens the "Risk Score" expression.