Reset and clear graph upon starting the debugger

rcmd always restarts from the start of the program so running microcontroller should be reset at the start of the session.

Author: MaartenS11

src/main/kotlin/be/ugent/topl/mio/ui/InteractiveDebugger.kt

@@ -369,6 +369,8 @@ class InteractiveDebugger(
     init {
         debugger.startReading()
         debugger.setSnapshotPolicy(Debugger.SnapshotPolicy.Tracing(listOf(ExecutionState.ProgramCounter)))
+        debugger.reset()
+        debugger.graph.currentNode.removeAllChildren()
         pause()
     }