[rpc] fundrawtransaction: add_inputs option to control automatic input adding

doc/release-notes-16377.md

@@ -4,3 +4,6 @@ RPC changes
   `Insufficient funds` when inputs are manually selected but are not enough to cover
   the outputs and fee. Additional inputs can automatically be added through the
   new `add_inputs` option.
+
+- The `fundrawtransaction` RPC now supports `add_inputs` option that when `false`
+  prevents adding more inputs if necessary and consequently the RPC fails.