Add or remove coverage symbol groups on policy line pattern

Procedure

In Studio, open the property file for the policy line pattern by navigating to configuration > config and opening:
```
resources/productmodel/policylinepatterns/codeLine/codeLine.properties
```
The properties file is named code.properties where code is the code of the policy line. For example, the commercial auto properties file is BusinessAutoLine.properties.
Set the line.usesCoverageSymbolGroups property to true to add the tab, or false to remove the tab.