revert error id change

Author: ludviggunne

lib/errorlogger.cpp

@@ -1041,7 +1041,7 @@ std::string getGuideline(const std::string &errId, ReportType reportType,
     case ReportType::misraC2012:
     case ReportType::misraC2023:
     case ReportType::misraC2025:
-        if (errId.rfind("misra-c-20", 0) == 0 || errId.rfind("premium-misra-c-20", 0) == 0)
+        if (errId.rfind("misra-c20", 0) == 0 || errId.rfind("premium-misra-c-20", 0) == 0)
             guideline = errId.substr(errId.rfind('-') + 1);
         break;
     case ReportType::misraCpp2008: