fix: update flow-syntax to get tree-sitter-markdown fix for serialization buffer overflow

build.zig.zon

@@ -6,8 +6,8 @@
 
     .dependencies = .{
         .syntax = .{
-            .url = "git+https://github.com/neurocyte/flow-syntax?ref=master#272a2d0b01f708dcd02d43c2ed997fd7b82d6224",
+            .url = "git+https://github.com/neurocyte/flow-syntax?ref=master#56929f0c523b59153e17919be2cd09d8bef32cd0",
-            .hash = "flow_syntax-0.7.2-X8jOoeFTAQAHSg9vmbAahKdrA8DDf0N-MJl8l09vMDZh",
+            .hash = "flow_syntax-0.7.2-X8jOoeFTAQBeP2Tn08Tw1jsMdifLEDBgPLqPqNelAupy",
         },
         .flags = .{
             .url = "git+https://github.com/neurocyte/flags?ref=main#984b27948da3e4e40a253f76c85b51ec1a9ada11",

src/file_type_config.zig

@@ -167,13 +167,12 @@ pub fn guess_file_type(file_path: ?[]const u8, content: []const u8) ?@This() {
 }
 
 fn guess(file_path: ?[]const u8, content: []const u8) ?@This() {
-    if (guess_first_line(content)) |ft| return ft;
     for (get_all_names()) |file_type_name| {
         const file_type = get(file_type_name) catch unreachable orelse unreachable;
         if (file_path) |fp| if (syntax.FileType.match_file_type(file_type.extensions orelse continue, fp))
             return file_type;
     }
-    return null;
+    return guess_first_line(content);
 }
 
 fn guess_first_line(content: []const u8) ?@This() {