update imgui, delete hidden main breakpoint on first stop

src/backend/lldb/lldb_backend.cpp

@@ -73,6 +73,9 @@ void LLDBBackend::start()
 		if (!bp.IsValid())
 		{
 			spdlog::warn("Failed to create breakpoint for main");
+		} else
+		{
+			_hidden_main_bp = bp.GetID();
 		}
 	}
 
@@ -157,6 +160,11 @@ void LLDBBackend::handle_state_change(lldb::StateType state)
 		this->check_frame_changes();
 		this->check_data_changes();
 
+		if (!_stop_at_entry)
+		{
+			_target.BreakpointDelete(_hidden_main_bp);
+		}
+
 		if (state == StateType::eStateStopped)
 		{
 			_state = TargetState::paused;

src/backend/lldb/lldb_backend.h

@@ -163,6 +163,7 @@ namespace dbgui::backend
 		// process state
 		bool _first_run     = true;
 		bool _stop_at_entry = false;
+		lldb::break_id_t _hidden_main_bp;
 		TargetState _state            = TargetState::stopped;
 		std::vector<RegSet> _reg_sets = {};
 		std::vector<Thread> _threads  = {};