feat: Add sensitive flag to get, fix #4295 (#5685)

* feat: Add insensitive flag to get, fix #4295

* add get insensitive example

* Fix get flags

* Update get examples

crates/nu-engine/src/eval.rs

@@ -295,7 +295,7 @@ pub fn eval_expression(
         Expr::FullCellPath(cell_path) => {
             let value = eval_expression(engine_state, stack, &cell_path.head)?;
 
-            value.follow_cell_path(&cell_path.tail)
+            value.follow_cell_path(&cell_path.tail, false)
         }
         Expr::ImportPattern(_) => Ok(Value::Nothing { span: expr.span }),
         Expr::Call(call) => {