[AppConfig] Fix bug in print preview of restore command

scripts/ci/credscan/CredScanSuppressions.json

@@ -12,6 +12,7 @@
     {
       "file": [
         "src\\azure-cli\\azure\\cli\\command_modules\\appconfig\\tests\\latest\\recordings\\test_appconfig_to_appconfig_import_export.yaml",
+        "src\\azure-cli\\azure\\cli\\command_modules\\appconfig\\tests\\latest\\recordings\\test_azconfig_aad_auth.yaml",
         "src\\azure-cli\\azure\\cli\\command_modules\\appconfig\\tests\\latest\\recordings\\test_azconfig_credential.yaml",
         "src\\azure-cli\\azure\\cli\\command_modules\\appconfig\\tests\\latest\\recordings\\test_azconfig_feature.yaml",
         "src\\azure-cli\\azure\\cli\\command_modules\\appconfig\\tests\\latest\\recordings\\test_azconfig_feature_filter.yaml",

src/azure-cli/azure/cli/command_modules/appconfig/_kv_helpers.py

@@ -541,7 +541,7 @@ def __serialize_kv_list_to_comparable_json_list(keyvalues):
         kv_json = {'key': kv.key,
                    'value': kv.value,
                    'label': kv.label,
-                   'locked': kv.read_only,
+                   'locked': kv.locked,
                    'last modified': kv.last_modified,
                    'content type': kv.content_type}
         # tags

src/azure-cli/azure/cli/command_modules/appconfig/tests/latest/export_features_prop.json

@@ -1,4 +1,4 @@
-#Fri Mar 12 15:17:32 China Standard Time 2021
+#Tue Mar 16 18:28:38 Pacific Daylight Time 2021
 Color=Red
 Region=West US
 feature-management.FalseFeature=false

src/azure-cli/azure/cli/command_modules/appconfig/tests/latest/export_keyvault.json

@@ -0,0 +1,3 @@
+{
+  "testSecret": "testValue"
+}