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/editor/src/display_map/fold_map.rs

@@ -1259,6 +1259,8 @@ pub struct Chunk<'a> {
     pub underline: 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,
     /// An optional recipe for how the chunk should be presented.
     pub renderer: Option<ChunkRenderer>,
 }
@@ -1424,6 +1426,7 @@ impl<'a> Iterator for FoldChunks<'a> {
                 diagnostic_severity: chunk.diagnostic_severity,
                 is_unnecessary: chunk.is_unnecessary,
                 is_tab: chunk.is_tab,
+                is_inlay: chunk.is_inlay,
                 underline: chunk.underline,
                 renderer: None,
             });

crates/editor/src/display_map/inlay_map.rs

@@ -336,6 +336,7 @@ impl<'a> Iterator for InlayChunks<'a> {
                 Chunk {
                     text: chunk,
                     highlight_style,
+                    is_inlay: true,
                     ..Default::default()
                 }
             }