fix installing failing during setup if prod.keys isn't found.

sphaira/source/app.cpp

@@ -1260,6 +1260,7 @@ App::App(const char* argv0) {
     if (App::GetLogEnable()) {
         log_file_init();
         log_write("hello world\n");
+        App::Notify("Warning! Logs are enabled, Sphaira will run slowly!"_i18n);
     }
 
     if (App::GetMtpEnable()) {

sphaira/source/yati/nx/keys.cpp

@@ -101,8 +101,8 @@ Result parse_keys(Keys& out, bool read_from_file) {
         ON_SCOPE_EXIT(setcalExit());
         R_TRY(setcalGetEticketDeviceKey(std::addressof(out.eticket_device_key)));
 
-        R_UNLESS(ini_browse(cb, std::addressof(out), "/switch/prod.keys"), 0x1);
-
+        // it doesn't matter if this fails, its just that title decryption will also fail.
+        if (ini_browse(cb, std::addressof(out), "/switch/prod.keys")) {
             // decrypt eticket device key.
             if (out.eticket_rsa_kek.IsValid()) {
                 auto rsa_key = (es::EticketRsaDeviceKey*)out.eticket_device_key.key;
@@ -123,6 +123,7 @@ Result parse_keys(Keys& out, bool read_from_file) {
                 }
             }
         }
+    }
 
     R_SUCCEED();
 }