ignore relations by default in the extract operation (#9816)

using Shift+E allows the node **and its relations** to be extracted (the old behaviour)

data/core.yaml

@@ -2413,6 +2413,7 @@ en:
         merge: "Combine (merge) selected features"
         disconnect: "Disconnect selected features"
         extract: "Extract a point from a feature"
+        extract_without_relations: "Extract a point from a feature, without extracting its relations"
         split: "Split features at the selected points"
         reverse: "Reverse selected features"
         move: "Move selected features"

data/shortcuts.json

@@ -271,6 +271,11 @@
             "shortcuts": ["operations.extract.key"],
             "text": "shortcuts.editing.operations.extract"
           },
+          {
+            "modifiers": ["⇧"],
+            "shortcuts": ["operations.extract.key"],
+            "text": "shortcuts.editing.operations.extract_without_relations"
+          },
           {
             "shortcuts": ["operations.split.key"],
             "text": "shortcuts.editing.operations.split"