Merge #16497: gui: Generate bech32 addresses by default (take 2, fixup)

fa5a4cd813 gui: Generate bech32 addresses by default (take 2, fixup) (MarcoFalke)

Pull request description:

  This commit was missing from my previous pull request for some reason 🤔 :

  *    gui: Generate bech32 addresses by default #15711

ACKs for top commit:
  jonasschnelli:
    Tested ACK fa5a4cd813
  promag:
    ACK fa5a4cd813.
  fanquake:
    ACK fa5a4cd813

Tree-SHA512: 4a38df929d7704bf08e50a2e814b2e6cd25c4165d040a84287045b44e32f4708750845520d64170ea58e41de3ca496da4625d3eb375f9528b21b364c22068a6b

src/interfaces/node.cpp

@@ -198,6 +198,7 @@ public:
         return GuessVerificationProgress(Params().TxData(), tip);
     }
     bool isInitialBlockDownload() override { return ::ChainstateActive().IsInitialBlockDownload(); }
+    bool isAddressTypeSet() override { return !::gArgs.GetArg("-addresstype", "").empty(); }
     bool getReindex() override { return ::fReindex; }
     bool getImporting() override { return ::fImporting; }
     void setNetworkActive(bool active) override

src/interfaces/node.h

@@ -150,6 +150,9 @@ public:
     //! Is initial block download.
     virtual bool isInitialBlockDownload() = 0;
 
+    //! Is -addresstype set.
+    virtual bool isAddressTypeSet() = 0;
+
     //! Get reindex.
     virtual bool getReindex() = 0;