fix: minor corrections

Signed-off-by: Andrey Borysenko <andrey18106x@gmail.com>

Author: andrey18106

lib/Service/ExAppPreferenceService.php

@@ -51,14 +51,14 @@ public function setUserConfigValue(string $userId, string $appId, string $config
 					'appid' => $appId,
 					'configkey' => $configKey,
 					'configvalue' => $sensitive ? $encryptedValue ?? '' : $configValue ?? '',
-					'sensitive' => $sensitive ? 1 : 0,
+					'sensitive' => $sensitive ?? 0,
 				]));
 			} catch (Exception $e) {
 				$this->logger->error('Error while inserting new config value: ' . $e->getMessage(), ['exception' => $e]);
 				return null;
 			}
 		} else {
-			$exAppPreference->setConfigvalue($sensitive ? $encryptedValue ?? '' : $configValue);
+			$exAppPreference->setConfigvalue($sensitive ? $encryptedValue : $configValue);
 			if ($sensitive !== null) {
 				$exAppPreference->setSensitive($sensitive);
 			}
@@ -81,7 +81,7 @@ public function setUserConfigValue(string $userId, string $appId, string $config
 	public function getUserConfigValues(string $userId, string $appId, array $configKeys): ?array {
 		try {
 			return array_map(function (ExAppPreference $exAppPreference) {
-				$value = $exAppPreference->getConfigvalue();
+				$value = $exAppPreference->getConfigvalue() ?? '';
 				if ($value !== '' && $exAppPreference->getSensitive()) {
 					try {
 						$value = $this->crypto->decrypt($value);