DAP: Move to a unified way to handle breakpoints

Rely on SetBreakpoints response instead of breakpoint event.

Change-Id: Iff052a13c442fb1fcd945cf1a80f1354c43c15c5
Reviewed-by: hjk <hjk@qt.io>

src/plugins/debugger/dap/dapclient.cpp

@@ -224,6 +224,8 @@ void DapClient::emitSignals(const QJsonDocument &doc)
             type = DapResponseType::Pause;
         } else if (command == "evaluate") {
             type = DapResponseType::Evaluate;
+        } else if (command == "setBreakpoints") {
+            type = DapResponseType::SetBreakpoints;
         }
         emit responseReady(type, ob);
         return;