Type check and coerce arguments to user functions and return values from std Rust functions (#6958)

* Shuffle around function call code

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Refactor function calls to share more code

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Hack to leave the result of revolve as a singleton rather than array

Signed-off-by: Nick Cameron <nrc@ncameron.org>

---------

Signed-off-by: Nick Cameron <nrc@ncameron.org>

rust/kcl-lib/src/execution/kcl_value.rs

@@ -352,8 +352,8 @@ impl KclValue {
     pub(crate) fn from_default_param(param: DefaultParamVal, exec_state: &mut ExecState) -> Self {
         match param {
             DefaultParamVal::Literal(lit) => Self::from_literal(lit, exec_state),
-            DefaultParamVal::KclNone(none) => KclValue::KclNone {
-                value: none,
+            DefaultParamVal::KclNone(value) => KclValue::KclNone {
+                value,
                 meta: Default::default(),
             },
         }