Allow edit/delete contact info in passport.

Telegram/SourceFiles/passport/passport_panel_controller.cpp

@@ -765,15 +765,19 @@ void PanelController::editScope(int index, int documentIndex) {
 		case Scope::Type::Email: {
 			const auto &parsed = _editValue->data.parsedInEdit;
 			const auto valueIt = parsed.fields.find("value");
+			const auto value = (valueIt == end(parsed.fields)
+				? QString()
+				: valueIt->second);
+			const auto existing = getDefaultContactValue(_editScope->type);
 			_panelHasUnsavedChanges = nullptr;
 			return object_ptr<PanelEditContact>(
 				_panel.get(),
 				this,
 				GetContactScheme(_editScope->type),
-				(valueIt == end(parsed.fields)
-					? QString()
-					: valueIt->second),
-				getDefaultContactValue(_editScope->type));
+				value,
+				(existing.toLower().trimmed() != value.toLower().trimmed()
+					? existing
+					: QString()));
 		} break;
 		}
 		Unexpected("Type in PanelController::editScope().");

Telegram/SourceFiles/passport/passport_panel_edit_contact.cpp

@@ -270,6 +270,18 @@ void PanelEditContact::setupControls(
 				st::passportFormLabel),
 			st::passportFormLabelPadding));
 
+	if (auto text = _controller->deleteValueLabel()) {
+		_content->add(
+			object_ptr<Info::Profile::Button>(
+				_content,
+				std::move(*text) | Info::Profile::ToUpperValue(),
+				st::passportDeleteButton),
+			st::passportUploadButtonPadding
+		)->addClickHandler([=] {
+			_controller->deleteValue();
+		});
+	}
+
 	const auto submit = [=] {
 		crl::on_main(this, [=] {
 			save();

Telegram/SourceFiles/passport/passport_panel_edit_document.cpp

@@ -329,13 +329,13 @@ not_null<Ui::RpWidget*> PanelEditDocument::setupContent(
 	inner->add(
 		object_ptr<Ui::FixedHeightWidget>(inner, st::passportDetailsSkip));
 	if (auto text = _controller->deleteValueLabel()) {
-		_delete = inner->add(
+		inner->add(
 			object_ptr<Info::Profile::Button>(
 				inner,
 				std::move(*text) | Info::Profile::ToUpperValue(),
 				st::passportDeleteButton),
-			st::passportUploadButtonPadding);
-		_delete->addClickHandler([=] {
+			st::passportUploadButtonPadding
+		)->addClickHandler([=] {
 			_controller->deleteValue();
 		});
 	}