feat(local_prov): fix path separator

src/core/provider/local.zig

@@ -56,18 +56,18 @@ pub const LocalContentProvider = struct {
         initContext: *const InitContext,
         allocator: std.mem.Allocator,
     ) GetItemsError!*Item {
-        const path = try std.mem.replaceOwned(u8, allocator, fullName.path, "/", "\\");
-        defer allocator.free(path);
+        const native_path = try std.mem.replaceOwned(u8, allocator, fullName.path, "/", std.fs.path.sep_str);
+        defer allocator.free(native_path);
 
         const kind: union(enum) { directory, file } = blk: {
             // FIXME: properly handle different errors
-            var dir = std.fs.cwd().openDir(path, .{});
+            var dir = std.fs.cwd().openDir(native_path, .{});
             if (dir) |*d| {
                 d.close();
                 break :blk .directory;
             } else |_| {}
 
-            var file = std.fs.cwd().openFile(path, .{});
+            var file = std.fs.cwd().openFile(native_path, .{});
             if (file) |*f| {
                 f.close();
                 break :blk .file;