fix: prevent use-after-free error in open_file mini mode

src/tui/mode/mini/open_file.zig

@@ -34,6 +34,7 @@ pub fn name(_: *Type) []const u8 {
 }
 
 pub fn select(self: *Type) void {
+    {
         var buf: std.ArrayList(u8) = .empty;
         defer buf.deinit(self.allocator);
         const file_path = project_manager.expand_home(self.allocator, &buf, self.file_path.items);
@@ -41,5 +42,6 @@ pub fn select(self: *Type) void {
             tp.self_pid().send(.{ "cmd", "change_project", .{file_path} }) catch {}
         else if (file_path.len > 0)
             tp.self_pid().send(.{ "cmd", "navigate", .{ .file = file_path } }) catch {};
+    }
     command.executeName("exit_mini_mode", .{}) catch {};
 }