Generalize SES_ARRAY_CALL_ASSIGN for Cpp runtime (#7585)

So far only arrays of bool, int and double were supported.
The new frontend generates arrays of other types as well,
see 9 examples from MSL, e.g.
Modelica.Electrical.MultiPhase.Examples.Rectifier

OMCompiler/Compiler/Template/CodegenCppOld.tpl

@@ -10977,22 +10977,19 @@ case eqn as SES_ARRAY_CALL_ASSIGN(lhs=lhs as CREF(__)) then
       'localData->helpVars[<%hidx%>] && !localData->helpVars_saved[<%hidx%>] /* edge */'
     ;separator=" || ")C*/, &varDecls /*BUFD*/,simCode , &extraFuncs , &extraFuncsDecl,  extraFuncsNamespace, stateDerVectorName, useFlatArrayNotation)
   match expTypeFromExpShort(eqn.exp)
-  case "bool"
-  case "int" then
-    let lhsStr = cref1(lhs.componentRef, simCode, &extraFuncs, &extraFuncsDecl, extraFuncsNamespace, context, varDeclsCref, stateDerVectorName, useFlatArrayNotation)
+  case "double" then
     <<
     <%if not assignToStartValues then '<%startFixedExp%>'%>
     <%preExp%>
-    <%lhsStr%>.assign(<%expPart%>);
+    <%assignDerArray(context, expPart, lhs, simCode, &extraFuncs, &extraFuncsDecl, extraFuncsNamespace, stateDerVectorName, useFlatArrayNotation)%>
     >>
-  case "double" then
+  else
+    let lhsStr = cref1(lhs.componentRef, simCode, &extraFuncs, &extraFuncsDecl, extraFuncsNamespace, context, varDeclsCref, stateDerVectorName, useFlatArrayNotation)
     <<
     <%if not assignToStartValues then '<%startFixedExp%>'%>
     <%preExp%>
-    <%assignDerArray(context, expPart, lhs, simCode, &extraFuncs, &extraFuncsDecl, extraFuncsNamespace, stateDerVectorName, useFlatArrayNotation)%>
+    <%lhsStr%>.assign(<%expPart%>);
     >>
-  else
-    error(sourceInfo(), 'Unsupported type of array call assign: <%expTypeFromExpShort(eqn.exp)%>')
 end equationArrayCallAssign;
 
 template assignDerArray(Context context, String arr, Exp lhs_ecr, SimCode simCode, Text& extraFuncs, Text& extraFuncsDecl, Text extraFuncsNamespace, Text stateDerVectorName /*=__zDot*/, Boolean useFlatArrayNotation)