Fix(macOS): restore dblclick for MAC touch, fix scroll speed (10px→40px per notch)

server/2015Remote/WebService.cpp

@@ -1600,6 +1600,9 @@ std::string CWebService::BuildDeviceListJson(const std::string& username) {
                 device["screen"] = AnsiToUtf8(resolution);  // e.g. "2:3840x1080"
             }
 
+            CString clientType = ctx->GetAdditionalData(RES_CLIENT_TYPE);
+            device["clientType"] = AnsiToUtf8(clientType);  // e.g. "MAC", "LNX", "EXE"
+
             res["devices"].append(device);
         }
         LeaveCriticalSection(&m_pParentDlg->m_cs);