Fixed CreateObject service list-of-initial-values encoding and decoding. (#1199)

Fixes the CreateObject service list-of-initial-values encoding and decoding by refactoring the data structure to be similar to WriteProperty. The implementation changes from using a linked list of property values to using a flat buffer approach with delayed decoding.

Changes:

* Refactored BACNET_CREATE_OBJECT_DATA structure to use an application_data buffer instead of a linked list for initial values
* Added a new create_object_process() and create_object_initializer_list_process() functions to centralize object creation logic and error reporting
* Updated all device implementations to use the new centralized creation functions
* Enhanced the create-object example application to support command-line specification of initial property values
* Added comprehensive test coverage for the new encoding/decoding and processing functions

test/bacnet/create_object/CMakeLists.txt

@@ -53,6 +53,7 @@ add_executable(${PROJECT_NAME}
     ${SRC_DIR}/bacnet/indtext.c
     ${SRC_DIR}/bacnet/hostnport.c
     ${SRC_DIR}/bacnet/lighting.c
+    ${SRC_DIR}/bacnet/proplist.c
     ${SRC_DIR}/bacnet/shed_level.c
     ${SRC_DIR}/bacnet/timer_value.c
     ${SRC_DIR}/bacnet/timestamp.c
@@ -64,6 +65,7 @@ add_executable(${PROJECT_NAME}
     ${SRC_DIR}/bacnet/special_event.c
     ${SRC_DIR}/bacnet/channel_value.c
     ${SRC_DIR}/bacnet/secure_connect.c
+    ${SRC_DIR}/bacnet/wp.c
     # Test and test library files
     ./src/main.c
     ${ZTST_DIR}/ztest_mock.c