Bind the editor's Search Help function to F1 by default

Now that the F1 key is available, we can bind Search Help to the key
generally used in other applications to open the help menu.

editor/editor_node.cpp

@@ -6821,7 +6821,7 @@ EditorNode::EditorNode() {
 	ED_SHORTCUT("editor/editor_3d", TTR("Open 3D Editor"), KEY_MASK_CTRL | KEY_F2);
 	ED_SHORTCUT("editor/editor_script", TTR("Open Script Editor"), KEY_MASK_CTRL | KEY_F3);
 	ED_SHORTCUT("editor/editor_assetlib", TTR("Open Asset Library"), KEY_MASK_CTRL | KEY_F4);
-	ED_SHORTCUT("editor/editor_help", TTR("Search Help"), KEY_MASK_SHIFT | KEY_F1);
+	ED_SHORTCUT("editor/editor_help", TTR("Search Help"), KEY_F1);
 #endif
 	ED_SHORTCUT("editor/editor_next", TTR("Open the next Editor"));
 	ED_SHORTCUT("editor/editor_prev", TTR("Open the previous Editor"));