Set the FABADA name correctly

Refs #11561

Code/Mantid/MantidQt/CustomInterfaces/src/Indirect/ConvFit.cpp

@@ -207,7 +207,7 @@ namespace IDA
       "specMin = " + specMin + "\n"
       "specMax = " + specMax + "\n"
       "max_iterations = " + QString::number(maxIterations) + "\n"
-      "minimizer = '" + minimizerString("TODO-NAME") + "'\n"
+      "minimizer = '" + minimizerString("$outputname_$wsindex") + "'\n"
       "save = " + (m_uiForm.ckSave->isChecked() ? "True\n" : "False\n");
 
     if ( m_blnManager->value(m_properties["Convolve"]) ) pyInput += "convolve = True\n";

Code/Mantid/MantidQt/CustomInterfaces/src/Indirect/IqtFit.cpp

@@ -165,7 +165,7 @@ namespace IDA
       "spec_min = " + specMin + "\n"
       "spec_max = " + specMax + "\n"
       "spec_max = None\n"
-      "minimizer = '" + minimizerString("TODO-NAME") + "'\n"
+      "minimizer = '" + minimizerString("$outputname_$wsindex") + "'\n"
       "max_iterations = " + QString::number(m_dblManager->value(m_properties["MaxIterations"])) + "\n";
 
     if (constrainIntens) pyInput += "constrain_intens = True \n";