Bugfix: set x-only flag when inferring pk() inside tr()

src/script/descriptor.cpp

@@ -1253,7 +1253,7 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo
 {
     if (ctx == ParseScriptContext::P2TR && script.size() == 34 && script[0] == 32 && script[33] == OP_CHECKSIG) {
         XOnlyPubKey key{Span{script}.subspan(1, 32)};
-        return std::make_unique<PKDescriptor>(InferXOnlyPubkey(key, ctx, provider));
+        return std::make_unique<PKDescriptor>(InferXOnlyPubkey(key, ctx, provider), true);
     }
 
     std::vector<std::vector<unsigned char>> data;