gui: fix passphrase labels/tooltip in createwalletdialog/askpassphrasedialog

UI improvements:
- update remaining GUI wallet labels and tooltips from passwords to passphrases
- improve grammar of labels in askpassphrase dialog and WalletController::closeWallet

Author: jonatack

src/qt/askpassphrasedialog.cpp

@@ -44,7 +44,7 @@ AskPassphraseDialog::AskPassphraseDialog(Mode _mode, QWidget *parent, SecureStri
     switch(mode)
     {
         case Encrypt: // Ask passphrase x2
-            ui->warningLabel->setText(tr("Enter the new passphrase to the wallet.<br/>Please use a passphrase of <b>ten or more random characters</b>, or <b>eight or more words</b>."));
+            ui->warningLabel->setText(tr("Enter the new passphrase for the wallet.<br/>Please use a passphrase of <b>ten or more random characters</b>, or <b>eight or more words</b>."));
             ui->passLabel1->hide();
             ui->passEdit1->hide();
             setWindowTitle(tr("Encrypt wallet"));
@@ -67,7 +67,7 @@ AskPassphraseDialog::AskPassphraseDialog(Mode _mode, QWidget *parent, SecureStri
             break;
         case ChangePass: // Ask old passphrase + new passphrase x2
             setWindowTitle(tr("Change passphrase"));
-            ui->warningLabel->setText(tr("Enter the old passphrase and new passphrase to the wallet."));
+            ui->warningLabel->setText(tr("Enter the old passphrase and new passphrase for the wallet."));
             break;
     }
     textChanged();

src/qt/forms/askpassphrasedialog.ui

@@ -95,7 +95,7 @@
      <item row="3" column="1">
       <widget class="QCheckBox" name="toggleShowPasswordButton">
        <property name="text">
-        <string>Show password</string>
+        <string>Show passphrase</string>
        </property>
       </widget>
      </item>

src/qt/forms/createwalletdialog.ui

@@ -62,7 +62,7 @@
     </rect>
    </property>
    <property name="toolTip">
-    <string>Encrypt the wallet. The wallet will be encrypted with a password of your choice.</string>
+    <string>Encrypt the wallet. The wallet will be encrypted with a passphrase of your choice.</string>
    </property>
    <property name="text">
     <string>Encrypt Wallet</string>

src/qt/walletcontroller.cpp

@@ -75,7 +75,7 @@ void WalletController::closeWallet(WalletModel* wallet_model, QWidget* parent)
 {
     QMessageBox box(parent);
     box.setWindowTitle(tr("Close wallet"));
-    box.setText(tr("Are you sure you wish to close wallet <i>%1</i>?").arg(GUIUtil::HtmlEscape(wallet_model->getDisplayName())));
+    box.setText(tr("Are you sure you wish to close the wallet <i>%1</i>?").arg(GUIUtil::HtmlEscape(wallet_model->getDisplayName())));
     box.setInformativeText(tr("Closing the wallet for too long can result in having to resync the entire chain if pruning is enabled."));
     box.setStandardButtons(QMessageBox::Yes|QMessageBox::Cancel);
     box.setDefaultButton(QMessageBox::Yes);