Added in cut, copy and paste to the context menu. Also removed find pattern, as that's no longer a valid command. Also made it so commands only show up if their predicates are valid.

data/core/doc/init.lua

@@ -149,6 +149,13 @@ function Doc:has_selection()
   return line1 ~= line2 or col1 ~= col2
 end
 
+function Doc:has_any_selection()
+  for idx, line1, col1, line2, col2 in self:get_selections() do
+    if line1 ~= line2 or col1 ~= col2 then return true end
+  end
+  return false
+end
+
 function Doc:sanitize_selection()
   for idx, line1, col1, line2, col2 in self:get_selections() do
     self:set_selections(idx, line1, col1, line2, col2)