Fix binding loop and null error

Linphone/view/Control/Popup/NumericPadPopup.qml

@@ -68,7 +68,7 @@ Control.Popup {
 	}
 	contentItem: NumericPad{
 		id: numPad
-		currentCall: currentCall
+		currentCall: mainItem.currentCall
 		anchors.fill: parent
 		anchors.topMargin: 41 * DefaultStyle.dp
 		anchors.bottomMargin: 18 * DefaultStyle.dp

Linphone/view/Page/Main/Contact/ContactPage.qml

@@ -398,7 +398,7 @@ AbstractMainPage {
 						background: Item{}
 						onClicked: mainItem.editContact(mainItem.selectedContact)
 						icon.source: AppIcons.pencil
-						visible: !mainItem.selectedContact.core.readOnly
+						visible: !mainItem.selectedContact?.core.readOnly
 					}
 					detailContent: ColumnLayout {
 						Layout.fillWidth: false
@@ -695,7 +695,7 @@ AbstractMainPage {
 									iconSource: AppIcons.pencil
 									text: qsTr("Edit")
 									onClicked: mainItem.editContact(mainItem.selectedContact)
-									visible: !mainItem.selectedContact.core.readOnly
+									visible: !mainItem.selectedContact?.core.readOnly
 								}
 								Rectangle {
 									Layout.fillWidth: true
@@ -790,7 +790,7 @@ AbstractMainPage {
 									iconSource: AppIcons.trashCan
 									color: DefaultStyle.danger_500main
 									text: qsTr("Delete this contact")
-									visible: !mainItem.selectedContact.core.readOnly
+									visible: !mainItem.selectedContact?.core.readOnly
 									onClicked: {
 										mainItem.deleteContact(contact)
 									}