Support clear config file pattern with empty string (#8717)

Author: ninpan-ms

src/spring/HISTORY.md

@@ -1,5 +1,9 @@
 Release History
 ===============
+1.28.1
+---
+* Fix clean up config file patterns of Application Configuration Service.
+
 1.28.0
 ---
 * Add Azure Spring Apps retirement information. See https://aka.ms/asaretirement. 

src/spring/azext_spring/_deployment_factory.py

@@ -109,10 +109,10 @@ def _get_apms(self, apms=None, **_):
         return apms
 
     def _get_addon_configs(self, config_file_patterns=None, custom_actuator_port=None, custom_actuator_path=None, **_):
-        if not any([config_file_patterns, custom_actuator_port, custom_actuator_path]):
+        if config_file_patterns is None and custom_actuator_port is None and custom_actuator_path is None:
             return None
         addon_configs = {}
-        if config_file_patterns:
+        if config_file_patterns is not None:
             addon_configs[APPLICATION_CONFIGURATION_SERVICE_NAME] = {
                 APPLICATION_CONFIGURATION_SERVICE_PROPERTY_PATTERN: config_file_patterns
             }

src/spring/setup.py

@@ -16,7 +16,7 @@
 
 # TODO: Confirm this is the right version number you want and it matches your
 # HISTORY.rst entry.
-VERSION = '1.28.0'
+VERSION = '1.28.1'
 
 # The full list of classifiers is available at
 # https://pypi.python.org/pypi?%3Aaction=list_classifiers