fixed bug where frequency pane would not clear (#12)

Co-authored-by: Ben-f0 <Ben-f0>

Author: ben-f0

binder_trace/binder_trace/tui/interface.py

@@ -134,7 +134,8 @@ def _(event):
         @kb1.add("c")
         def _(event):
             self.transactions.clear()
-
+            self.frequency_counter.svl.clear()
+            
         @kb1.add("space")
         def _(event):
             self.recording = self.pause_unpause()