Merge dashpay#6769: fix: assign nKeysLeftSinceAutoBackup a bit later

b407f87 fix: assign `nKeysLeftSinceAutoBackup` a bit later (UdjinM6)

Pull request description:

  ## Issue being fixed or feature implemented
  Wallet balance benchmarks are crashing. Not 100% sure what's going on but this patch helps.

  ## What was done?
  Assign `nKeysLeftSinceAutoBackup` a bit later.

  ## How Has This Been Tested?
  `./src/bench/bench_dash -sanity-check -priority-level=high`
  `./src/bench/bench_dash --filter=".*WalletBalance.*"`

  ## Breaking Changes
  n/a

  ## Checklist:
  - [ ] I have performed a self-review of my own code
  - [ ] I have commented my code, particularly in hard-to-understand areas
  - [ ] I have added or updated relevant unit/integration/functional/e2e tests
  - [ ] I have made corresponding changes to the documentation
  - [ ] I have assigned this pull request to a milestone _(for repository code-owners and collaborators only)_

ACKs for top commit:
  PastaPastaPasta:
    light ACK b407f87
  kwvg:
    ACK b407f87

Tree-SHA512: 99cbb02c794b23fa6fa97ae6362f654c5371a7061b8566f66cba7c4d2e88dfb43c4860c6d50317b30e609d823d87dbb67065831f9194ae3af8231dc6fa037bbd

Author: PastaPastaPasta

src/wallet/walletdb.cpp

@@ -871,10 +871,6 @@ DBErrors WalletBatch::LoadWallet(CWallet* pwallet)
             if (!strErr.empty())
                 pwallet->WalletLogPrintf("%s\n", strErr);
         }
-
-        // Store initial external keypool size since we mostly use external keys in mixing
-        pwallet->nKeysLeftSinceAutoBackup = pwallet->KeypoolCountExternalKeys();
-        pwallet->WalletLogPrintf("nKeysLeftSinceAutoBackup: %d\n", pwallet->nKeysLeftSinceAutoBackup);
     } catch (...) {
         result = DBErrors::CORRUPT;
     }
@@ -924,6 +920,10 @@ DBErrors WalletBatch::LoadWallet(CWallet* pwallet)
     if (result != DBErrors::LOAD_OK)
         return result;
 
+    // Store initial external keypool size since we mostly use external keys in mixing
+    pwallet->nKeysLeftSinceAutoBackup = pwallet->KeypoolCountExternalKeys();
+    pwallet->WalletLogPrintf("nKeysLeftSinceAutoBackup: %d\n", pwallet->nKeysLeftSinceAutoBackup);
+
     // Last client version to open this wallet
     int last_client = CLIENT_VERSION;
     bool has_last_client = m_batch->Read(DBKeys::VERSION, last_client);