walletdb: Add IsBDBWalletLoaded to look for BDB wallets specifically

src/wallet/db.cpp

@@ -67,7 +67,7 @@ void SplitWalletPath(const fs::path& wallet_path, fs::path& env_directory, std::
     }
 }
 
-bool IsWalletLoaded(const fs::path& wallet_path)
+bool IsBDBWalletLoaded(const fs::path& wallet_path)
 {
     fs::path env_directory;
     std::string database_filename;
@@ -79,6 +79,11 @@ bool IsWalletLoaded(const fs::path& wallet_path)
     return database && database->IsDatabaseLoaded(database_filename);
 }
 
+bool IsWalletLoaded(const fs::path& wallet_path)
+{
+    return IsBDBWalletLoaded(wallet_path);
+}
+
 fs::path WalletDataFilePath(const fs::path& wallet_path)
 {
     fs::path env_directory;

src/wallet/db.h

@@ -87,6 +87,7 @@ public:
 };
 
 /** Return whether a wallet database is currently loaded. */
+bool IsBDBWalletLoaded(const fs::path& wallet_path);
 bool IsWalletLoaded(const fs::path& wallet_path);
 
 /** Given a wallet directory path or legacy file path, return path to main data file in the wallet database. */