core: filter all messages with links in text when link content filter is used (#6591)

* core: change msg_content_tag stored as blob to text

* track if items have links and use has_link when searching for links (MCLink_ MsgContentTag is passed)

* fix test (broken in master)

* merge migrations, update api and schema

* minor fixes

* tests

* update plans

* update migrations

src/Simplex/Chat/Markdown.hs

@@ -178,6 +178,16 @@ isSimplexLink = \case
   SimplexLink {} -> True
   _ -> False
 
+isLink :: Format -> Bool
+isLink = \case
+  Uri -> True
+  HyperLink {} -> True
+  SimplexLink {} -> True
+  _ -> False
+
+hasLinks :: MarkdownList -> Bool
+hasLinks = any $ \(FormattedText f _) -> maybe False isLink f
+
 markdownP :: Parser Markdown
 markdownP = mconcat <$> A.many' fragmentP
   where