PL-8032 Add highlighting for scss mode in source code editor

modules/desktop/src/com/haulmont/cuba/desktop/gui/components/DesktopSourceCodeEditor.java

@@ -119,6 +119,14 @@ public class DesktopSourceCodeEditor extends DesktopAbstractTextField<RSyntaxTex
                 impl.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_XML);
                 break;
 
+            case CSS:
+                impl.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_CSS);
+                break;
+
+            case SCSS:
+                impl.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_CSS);
+                break;
+
             case Text:
                 impl.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_NONE);
                 break;

modules/gui/src/com/haulmont/cuba/gui/components/SourceCodeEditor.java

@@ -32,6 +32,8 @@ public interface SourceCodeEditor extends Field {
         SQL,
         JavaScript,
         Properties,
+        CSS,
+        SCSS,
         Text;
 
         public static Mode parse(String name) {

modules/web/src/com/haulmont/cuba/web/gui/components/WebSourceCodeEditor.java

@@ -90,6 +90,14 @@ public class WebSourceCodeEditor extends WebAbstractField<CubaSourceCodeEditor>
                 editorMode = AceMode.properties;
                 break;
 
+            case CSS:
+                editorMode = AceMode.css;
+                break;
+
+            case SCSS:
+                editorMode = AceMode.scss;
+                break;
+
             default:
                 editorMode = AceMode.text;
                 break;