fix: attachment_count in issue pagination v2 endpoint (#5840)

* fix: attachemnt_count in the issue pagination v2 endpoint

* fix: string comparision in description check in params

apiserver/plane/app/views/issue/base.py

@@ -755,6 +755,15 @@ def get_queryset(self):
                 .annotate(count=Func(F("id"), function="Count"))
                 .values("count")
             )
+            .annotate(
+                attachment_count=FileAsset.objects.filter(
+                    issue_id=OuterRef("id"),
+                    entity_type=FileAsset.EntityTypeContext.ISSUE_ATTACHMENT,
+                )
+                .order_by()
+                .annotate(count=Func(F("id"), function="Count"))
+                .values("count")
+            )
             .annotate(
                 sub_issues_count=Issue.issue_objects.filter(
                     parent=OuterRef("id")
@@ -779,7 +788,7 @@ def process_paginated_result(self, fields, results, timezone):
     @allow_permission([ROLE.ADMIN, ROLE.MEMBER, ROLE.GUEST])
     def list(self, request, slug, project_id):
         cursor = request.GET.get("cursor", None)
-        is_description_required = request.GET.get("description", False)
+        is_description_required = request.GET.get("description", "false")
         updated_at = request.GET.get("updated_at__gt", None)
 
         # required fields
@@ -812,7 +821,7 @@ def list(self, request, slug, project_id):
             "sub_issues_count",
         ]
 
-        if is_description_required:
+        if str(is_description_required).lower() == "true":
             required_fields.append("description_html")
 
         # querying issues