editor: Make parse_blocks synchronous since it has no await points (#54756)

Release Notes:

- N/A

Signed-off-by: Xiaobo Liu <cppcoffee@gmail.com>

crates/editor/src/hover_popover.rs

@@ -205,8 +205,7 @@ pub fn hover_at_inlay(
 
                 let language_registry = project.read_with(cx, |p, _| p.languages().clone());
                 let blocks = vec![inlay_hover.tooltip];
-                let parsed_content =
-                    parse_blocks(&blocks, Some(&language_registry), None, cx).await;
+                let parsed_content = parse_blocks(&blocks, Some(&language_registry), None, cx);
 
                 let scroll_handle = ScrollHandle::new();
 
@@ -494,8 +493,7 @@ fn show_hover(
                     text: format!("Unicode character U+{:02X}", invisible as u32),
                     kind: HoverBlockKind::PlainText,
                 }];
-                let parsed_content =
-                    parse_blocks(&blocks, language_registry.as_ref(), None, cx).await;
+                let parsed_content = parse_blocks(&blocks, language_registry.as_ref(), None, cx);
                 let scroll_handle = ScrollHandle::new();
                 let subscription = this
                     .update(cx, |_, cx| {
@@ -536,7 +534,7 @@ fn show_hover(
                 let blocks = hover_result.contents;
                 let language = hover_result.language;
                 let parsed_content =
-                    parse_blocks(&blocks, language_registry.as_ref(), language, cx).await;
+                    parse_blocks(&blocks, language_registry.as_ref(), language, cx);
                 let scroll_handle = ScrollHandle::new();
                 hover_highlights.push(range.clone());
                 let subscription = this
@@ -623,7 +621,7 @@ fn same_diagnostic_hover(editor: &Editor, snapshot: &EditorSnapshot, anchor: Anc
         .unwrap_or(false)
 }
 
-async fn parse_blocks(
+fn parse_blocks(
     blocks: &[HoverBlock],
     language_registry: Option<&Arc<LanguageRegistry>>,
     language: Option<Arc<Language>>,