Blogpostlist macro displays page name of the page where is added

Steps to reproduce:

• Add in a page some blog articles using blogpostlist P1:
  e.g.: blogpostlist blog="Blog.WebHome" layout="cards"/
• Use the page in a doc accordion macro P2.

Results:

• The page name P1 is added in the content of the tab from the doc accordion P2, that included P1.
  

The issue is caused by the mixing of the docaccordion macro and the "cards" blog post layout. The issue is present only with "cards" layout, but not with 'compact' or 'link' layout.