Make sure CurDir is filtered out in absolutize. (#3084)

* Make sure `CurDir` is filtered out in absolutize.

Closes #3083

* Add test

* Make sure test works on windows

crates/nu-engine/src/filesystem/path.rs

@@ -29,7 +29,10 @@ where
 
             (absolute, relative)
         } else {
-            (relative_to.as_ref().to_path_buf(), path)
+            (
+                relative_to.as_ref().to_path_buf(),
+                components.iter().collect::<PathBuf>(),
+            )
         }
     };
 
@@ -91,6 +94,17 @@ mod tests {
         );
     }
 
+    #[test]
+    fn absolutize_with_curdir() {
+        let relative_to = Path::new("/foo");
+        let path = Path::new("./bar/./baz");
+
+        assert!(!absolutize(relative_to, path)
+            .to_str()
+            .unwrap()
+            .contains("."));
+    }
+
     #[test]
     fn canonicalize_should_succeed() -> io::Result<()> {
         let relative_to = Path::new("/foo/bar");