use apply() function on every wizard page, making sure wizard_data is always available

to wizard navigation evaluation

electrum/gui/qml/components/wizard/WCBIP39Refine.qml

@@ -10,10 +10,11 @@ import "../controls"
 WizardComponent {
     valid: false
 
-    onAccept: {
+    function apply() {
         wizard_data['script_type'] = scripttypegroup.checkedButton.scripttype
         wizard_data['derivation_path'] = derivationpathtext.text
     }
+
     function getScriptTypePurposeDict() {
         return {
             'p2pkh': 44,

electrum/gui/qml/components/wizard/WCCreateSeed.qml

@@ -10,7 +10,7 @@ import "../controls"
 WizardComponent {
     valid: seedtext.text != ''
 
-    onAccept: {
+    function apply() {
         wizard_data['seed'] = seedtext.text
         wizard_data['seed_extend'] = extendcb.checked
         wizard_data['seed_extra_words'] = extendcb.checked ? customwordstext.text : ''

electrum/gui/qml/components/wizard/WCHaveMasterKey.qml

@@ -11,7 +11,7 @@ WizardComponent {
 
     valid: false
 
-    onAccept: {
+    function apply() {
         wizard_data['master_key'] = masterkey_ta.text
     }
 

electrum/gui/qml/components/wizard/WCImport.qml

@@ -11,7 +11,7 @@ WizardComponent {
 
     valid: false
 
-    onAccept: {
+    function apply() {
         if (bitcoin.isAddressList(import_ta.text)) {
             wizard_data['address_list'] = import_ta.text
         } else if (bitcoin.isPrivateKeyList(import_ta.text)) {

electrum/gui/qml/components/wizard/WCKeystoreType.qml

@@ -4,7 +4,7 @@ import QtQuick.Controls 2.1
 WizardComponent {
     valid: keystoregroup.checkedButton !== null
 
-    onAccept: {
+    function apply() {
         wizard_data['keystore_type'] = keystoregroup.checkedButton.keystoretype
     }
 

electrum/gui/qml/components/wizard/WCProxyConfig.qml

@@ -3,7 +3,7 @@ import "../controls"
 WizardComponent {
     valid: true
 
-    onAccept: {
+    function apply() {
         wizard_data['proxy'] = pc.toProxyDict()
     }
 

electrum/gui/qml/components/wizard/WCServerConfig.qml

@@ -4,7 +4,7 @@ WizardComponent {
     valid: true
     last: true
 
-    onAccept: {
+    function apply() {
         wizard_data['oneserver'] = !sc.auto_server
         wizard_data['server'] = sc.address
     }

electrum/gui/qml/components/wizard/WCWalletName.qml

@@ -7,7 +7,7 @@ import org.electrum 1.0
 WizardComponent {
     valid: wallet_name.text.length > 0
 
-    onAccept: {
+    function apply() {
         wizard_data['wallet_name'] = wallet_name.text
     }
 

electrum/gui/qml/components/wizard/WCWalletPassword.qml

@@ -7,7 +7,7 @@ import "../controls"
 WizardComponent {
     valid: password1.text === password2.text && password1.text.length > 4
 
-    onAccept: {
+    function apply() {
         wizard_data['password'] = password1.text
         wizard_data['encrypt'] = password1.text != ''
     }

electrum/gui/qml/components/wizard/WCWalletType.qml

@@ -4,7 +4,7 @@ import QtQuick.Controls 2.1
 WizardComponent {
     valid: wallettypegroup.checkedButton !== null
 
-    onAccept: {
+    function apply() {
         wizard_data['wallet_type'] = wallettypegroup.checkedButton.wallettype
         if (wizard_data['wallet_type'] == 'standard')
             wizard_data['seed_type'] = 'segwit'