Added Perf details to profiler control

tests/controls/test_profiler.py

@@ -81,9 +81,10 @@ class TestProfilerBehaviour:
   
   def test_i_can_select_trace_by_id(self, profiler_control):
     """Test that handle_select_trace stores the given trace_id."""
-    trace_id = str(uuid4())
-    profiler_control.handle_select_trace(trace_id)
-    assert profiler_control._selected_id == trace_id
+    trace = make_trace()
+    profiler._traces.appendleft(trace)
+    profiler_control.handle_select_trace(trace.trace_id)
+    assert profiler_control._selected_id == trace.trace_id
   
   def test_i_can_select_trace_stable_when_new_trace_added(self, profiler_control):
     """Test that selection by trace_id remains correct when a new trace is prepended.