fix: hide pause control on subprocess planes

Author: sombrek

lib/features/context-pads/ContextPads.js

@@ -1,3 +1,7 @@
+import {
+  isPlane
+} from 'bpmn-js/lib/util/DrilldownUtil';
+
 import {
   is
 } from 'bpmn-js/lib/util/ModelUtil';
@@ -152,7 +156,7 @@ ContextPads.prototype.openContextPads = function(parent) {
   }
 
   this._elementRegistry.forEach((element) => {
-    if (isAncestor(parent, element)) {
+    if (isAncestor(parent, element) && !isPlane(element)) {
       this.updateElementContextPads(element);
     }
   });

test/spec/features/context-pads/ContextPadsSpec.js

@@ -122,6 +122,30 @@ describe('features/context-pads - collapsed subprocess', function() {
   }));
 
 
+  it('should allow to pause subprocess', inject(
+    async function() {
+
+      // then
+      expect(canTriggerElement('CollapsedSubprocess')).to.be.true;
+    }
+  ));
+
+
+  it('should not allow to pause subprocess plane', inject(
+    async function(canvas) {
+
+      // given
+      const subprocess = canvas.findRoot('CollapsedSubprocess_plane');
+
+      // when
+      canvas.setRootElement(subprocess);
+
+      // then
+      expect(canTriggerElement('CollapsedSubprocess_plane')).to.be.false;
+    }
+  ));
+
+
   it('should allow to pause visible activities', inject(
     async function(canvas) {