Make the pass otp identifier an environment variable

pass.cpp

@@ -125,7 +125,13 @@ void Pass::run(const Plasma::RunnerContext &context, const Plasma::QueryMatch &m
 {
     Q_UNUSED(context);
 
-    auto ret = match.text().contains("totp-", Qt::CaseInsensitive) ?
+    this->passOtpIdentifier = "totp::";
+    auto passOtpIdentifier = getenv("PASSWORD_STORE_OTP_IDENTIFIER");
+    if (passOtpIdentifier != nullptr) {
+        this->passOtpIdentifier = passOtpIdentifier;
+    }
+
+    auto ret = match.text().contains(this->passOtpIdentifier, Qt::CaseInsensitive) ?
         QProcess::execute(QString("pass otp -c ") + match.text()) :
         QProcess::execute(QString("pass -c ") + match.text());
     if (ret == 0) {

pass.h

@@ -44,6 +44,7 @@ protected:
 
 private:
     QDir baseDir;
+    QString passOtpIdentifier;
     int timeout;
     QReadWriteLock lock;
     QList<QString> passwords;