[MM-24526] Filter * characters from the search terms in DB (#14884)

store/sqlstore/post_store.go

@@ -1750,11 +1750,9 @@ func (s *SqlPostStore) SearchPostsInTeamForUser(paramsList []*model.SearchParams
 	pchan := make(chan store.StoreResult, len(paramsList))
 
 	for _, params := range paramsList {
-		// Don't allow users to search for everything.
-		if params.Terms == "*" {
-			continue
-		}
-
+		// remove any unquoted term that contains only non-alphanumeric chars
+		// ex: abcd "**" && abc     >>     abcd "**" abc
+		params.Terms = removeNonAlphaNumericUnquotedTerms(params.Terms, " ")
 		params.IncludeDeletedChannels = includeDeletedChannels
 		params.OrTerms = isOrSearch