fix(palette): activate globalConnect tool instead of toggling

This prevents unwanted move events when triggered from the palette action.

Closes #1402

lib/features/palette/PaletteProvider.js

@@ -134,7 +134,7 @@ PaletteProvider.prototype.getPaletteEntries = function(element) {
       title: translate('Activate the global connect tool'),
       action: {
         click: function(event) {
-          globalConnect.toggle(event);
+          globalConnect.start(event);
         }
       }
     },

test/spec/features/palette/PaletteProviderSpec.js

@@ -88,6 +88,30 @@ describe('features/palette', function() {
 
   });
 
+
+  describe('tools', function() {
+
+    // skip on PhantomJS to prevent unwanted <forEach> behaviors
+    // cf. https://github.com/bpmn-io/diagram-js/pull/517
+    (isPhantomJS() ? it.skip : it)('should not fire <move> on globalConnect', inject(
+      function(eventBus) {
+
+        // given
+        var moveSpy = sinon.spy();
+
+        eventBus.on('global-connect.move', moveSpy);
+
+        // when
+        triggerPaletteEntry('global-connect-tool');
+
+        // then
+        expect(moveSpy).to.not.have.been.called;
+
+      }
+    ));
+
+  });
+
 });
 
 // helpers //////////
@@ -101,3 +125,7 @@ function triggerPaletteEntry(id) {
     }
   });
 }
+
+function isPhantomJS() {
+  return /PhantomJS/.test(window.navigator.userAgent);
+}