[stable-2.8] Fix podman_image_info parsing of podman output.

Stripping the output from `podman image ls -q` prevents passing
a blank image ID to `podman image inspect`, which would fail.
(cherry picked from commit a05be890ad)

Co-authored-by: Matt Clay <matt@mystile.com>

lib/ansible/modules/cloud/podman/podman_image_info.py

@@ -173,7 +173,7 @@ def get_image_info(module, executable, name):
 def get_all_image_info(module, executable):
     command = [executable, 'image', 'ls', '-q']
     rc, out, err = module.run_command(command)
-    name = out.split('\n')
+    name = out.strip().split('\n')
     out = get_image_info(module, executable, name)
 
     return out