Merge bitcoin/bitcoin#22781: wallet: fix the behavior of IsHDEnabled, return false in case of a blank hd wallet.

8733a8e the result of CWallet::IsHDEnabled() was initialized with true. (Saibato)

Pull request description:

  the result of CWallet::IsHDEnabled() was initialized with true.

  But in case of no keys or a blank hd wallet the iterator would be skipped
  and not set to false but true, since the loop would be not entered.

  That had resulted in a wrong return and subsequent false HD and watch-only
  icon display in GUi when reloading a wallet after closing.

ACKs for top commit:
  achow101:
    ACK 8733a8e
  hebasto:
    ACK 8733a8e
  theStack:
    utACK 8733a8e
  meshcollider:
    utACK 8733a8e

Tree-SHA512: 79b976594f7174d05c29fe3819037ead59aaef27498d95415ceba74d633a8e035f6b03b521000ac3370684a8cb09319d8be1a443ce2d29b3ff4089e399f6b719

Author: meshcollider

src/wallet/wallet.cpp

@@ -1364,9 +1364,10 @@ CAmount CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) co
 bool CWallet::IsHDEnabled() const
 {
     // All Active ScriptPubKeyMans must be HD for this to be true
-    bool result = true;
+    bool result = false;
     for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
-        result &= spk_man->IsHDEnabled();
+        if (!spk_man->IsHDEnabled()) return false;
+        result = true;
     }
     return result;
 }