[cling] Ensure correct template argument printing for large integers

We do not need a patch to set `ULL` suffix manually on top of Clang.

`Policy.AlwaysIncludeTypeForTemplateArgument = true` does the job.

Author: devajithvs

core/clingutils/src/TClingUtils.cxx

@@ -4164,6 +4164,7 @@ void ROOT::TMetaUtils::GetNormalizedName(std::string &norm_name, const clang::Qu
    policy.SuppressTagKeyword = true; // Never get the class or struct keyword
    policy.SuppressScope = true;      // Force the scope to be coming from a clang::ElaboratedType.
    policy.AnonymousTagLocations = false; // Do not extract file name + line number for anonymous types.
+   policy.AlwaysIncludeTypeForTemplateArgument = true; // Always include type for template arguments
    // The scope suppression is required for getting rid of the anonymous part of the name of a class defined in an anonymous namespace.
    // This gives us more control vs not using the clang::ElaboratedType and relying on the Policy.SuppressUnwrittenScope which would
    // strip both the anonymous and the inline namespace names (and we probably do not want the later to be suppressed).

interpreter/cling/lib/Utils/AST.cpp

@@ -1760,6 +1760,7 @@ namespace utils {
     PrintingPolicy Policy(Ctx.getPrintingPolicy());
     Policy.SuppressScope = false;
     Policy.AnonymousTagLocations = false;
+    Policy.AlwaysIncludeTypeForTemplateArgument = true;
     return FQQT.getAsString(Policy);
   }