fix logic for amount 1

Author: jonassorgenfrei

flowpipe_editor/widgets/properties_bin/node_property_widgets.py

@@ -543,12 +543,11 @@ def add_node(self, node):
         if itm_find:
             self._prop_list.removeRow(itm_find[0].row())
 
-        rows = self._prop_list.rowCount() - 1
-
-        if rows >= (self.limit() - 1):
-            self._prop_list.removeRow(rows - 1)
-
         self._prop_list.insertRow(0)
+        rows = self._prop_list.rowCount() - 1
+        
+        if rows >= (self.limit()):
+            self._prop_list.removeRow(rows)
 
         prop_widget = self.create_property_editor(node=node)
         prop_widget.property_closed.connect(self.__on_prop_close)