Don't show invisibles from inlays (#32088)

Closes #24266

Release Notes:

- Whitespace added by inlay hints is no longer shown when
`"show_whitespaces": "all"` is used.

-

crates/language/src/buffer.rs

@@ -485,6 +485,8 @@ pub struct Chunk<'a> {
     pub is_unnecessary: bool,
     /// Whether this chunk of text was originally a tab character.
     pub is_tab: bool,
+    /// Whether this chunk of text was originally a tab character.
+    pub is_inlay: bool,
     /// Whether to underline the corresponding text range in the editor.
     pub underline: bool,
 }