win_say: Port to use CSharpUtil AnsibleBasic (#48361)

* port win-say to use CSharpUtil AnsibleBasic and add warning when requested voice not found

* win_say: fixes following code review: use C# style properties consistently; prefix changelog fragments

* fix invalid yaml in change log fragment

* win_say: fixes following code review: use generic module parameter validation where possible

* remove redundant setting of Result.changed to false, simplified some logic for readability.

* fix serialisation issue when message text is drawn from a file; allows tests to be run not in check mode and fix up some test descriptions

test/integration/targets/win_say/tasks/main.yml

@@ -4,21 +4,21 @@
 - name: Warn of impending deployment
   win_say:
     msg: Warning, deployment commencing in 5 minutes, please log out.
-  check_mode: yes
+  check_mode: "{{ win_say_check_mode |default('yes') }}"
 
-- name: Using a different voice and a start sound
+- name: Using a specified voice and a start sound
   win_say:
     msg: Warning, deployment commencing in 5 minutes, please log out.
     start_sound_path: C:\Windows\Media\ding.wav
     voice: Microsoft Hazel Desktop
-  check_mode: yes
+  check_mode: "{{ win_say_check_mode |default('yes') }}"
 
 - name: Example with start and end sound
   win_say:
     msg: New software installed
     start_sound_path: C:\Windows\Media\Windows Balloon.wav
     end_sound_path: C:\Windows\Media\chimes.wav
-  check_mode: yes
+  check_mode: "{{ win_say_check_mode |default('yes') }}"
 
 - name: Create message file
   win_copy:
@@ -30,15 +30,15 @@
     msg_file: C:\Windows\Temp\win_say_message.txt
     start_sound_path: C:\Windows\Media\Windows Balloon.wav
     end_sound_path: C:\Windows\Media\chimes.wav
-  check_mode: yes
+  check_mode: "{{ win_say_check_mode |default('yes') }}"
 
 - name: Remove message file
   win_file:
     path: C:\Windows\Temp\win_say_message.txt
     state: absent
 
-- name: Different spech peed
+- name: Different speech speed
   win_say:
     speech_speed: 5
     msg: Stay calm and proceed to the closest fire exit.
-  check_mode: yes
+  check_mode: "{{ win_say_check_mode |default('yes') }}"