fix(modem): Per modem guess mode conflict

Author: david-cermak

components/esp_modem/include/cxx_include/esp_modem_dce_template.hpp

@@ -30,9 +30,11 @@ class DCE_Mode {
     ~DCE_Mode() = default;
     bool set(DTE *dte, ModuleIf *module, Netif &netif, modem_mode m);
     modem_mode get();
+    modem_mode guess(DTE *dte, bool with_cmux = false);
 
 private:
     bool set_unsafe(DTE *dte, ModuleIf *module, Netif &netif, modem_mode m);
+    modem_mode guess_unsafe(DTE *dte, bool with_cmux);
     modem_mode mode;
 
 };
@@ -79,6 +81,11 @@ class DCE_T {
         return dte->command(command, std::move(got_line), time_ms);
     }
 
+    modem_mode guess_mode(bool with_cmux = false)
+    {
+        return mode.guess(dte.get(), with_cmux);
+    }
+
     bool set_mode(modem_mode m)
     {
         return mode.set(dte.get(), device.get(), netif, m);