- modified the way the FlatCAM Tools are run from toolbar as opposed of running them from other sources

- some Gerber UI changes

flatcamTools/ToolCutOut.py

@@ -263,18 +263,20 @@ class CutOut(FlatCAMTool):
         self.obj_combo.setRootModelIndex(self.app.collection.index(obj_type, 0, QtCore.QModelIndex()))
         self.obj_combo.setCurrentIndex(0)
 
-    def run(self):
+    def run(self, toggle=False):
         self.app.report_usage("ToolCutOut()")
 
-        # if the splitter is hidden, display it, else hide it but only if the current widget is the same
-        if self.app.ui.splitter.sizes()[0] == 0:
-            self.app.ui.splitter.setSizes([1, 1])
-        else:
-            try:
-                if self.app.ui.tool_scroll_area.widget().objectName() == self.toolName:
-                    self.app.ui.splitter.setSizes([0, 1])
-            except AttributeError:
-                pass
+        if toggle:
+            # if the splitter is hidden, display it, else hide it but only if the current widget is the same
+            if self.app.ui.splitter.sizes()[0] == 0:
+                self.app.ui.splitter.setSizes([1, 1])
+            else:
+                try:
+                    if self.app.ui.tool_scroll_area.widget().objectName() == self.toolName:
+                        self.app.ui.splitter.setSizes([0, 1])
+                except AttributeError:
+                    pass
+
         FlatCAMTool.run(self)
         self.set_tool_ui()