Feat: enable sync deleted files for more connectors (#14353)

### What problem does this PR solve?

Feat: enable sync delted files for connectors

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

common/data_source/jira/connector.py

@@ -149,7 +149,10 @@ class JiraConnector(CheckpointedConnectorWithPermSync, SlimConnectorWithPermSync
             else:
                 logger.warning("[Jira] Scoped token requested but Jira base URL does not appear to be an Atlassian Cloud domain; scoped token ignored.")
 
-        user_email = credentials.get("jira_user_email") or credentials.get("username")
+        user_email = (
+            credentials.get("jira_user_email")
+            or credentials.get("jira_username")
+        )
         api_token = credentials.get("jira_api_token") or credentials.get("token") or credentials.get("api_token")
         password = credentials.get("jira_password") or credentials.get("password")
         rest_api_version = credentials.get("rest_api_version")
@@ -377,16 +380,14 @@ class JiraConnector(CheckpointedConnectorWithPermSync, SlimConnectorWithPermSync
 
     def retrieve_all_slim_docs_perm_sync(
         self,
-        start: SecondsSinceUnixEpoch | None = None,
-        end: SecondsSinceUnixEpoch | None = None,
-        callback: Any = None,  # noqa: ARG002 - maintained for interface compatibility
+        callback: Any = None,  # noqa: ARG002 - callback interface hook
     ) -> Generator[list[SlimDocument], None, None]:
         """Return lightweight references to Jira issues (used for permission syncing)."""
         if not self.jira_client:
             raise ConnectorMissingCredentialError("Jira")
 
-        start_ts = start if start is not None else 0
-        end_ts = end if end is not None else datetime.now(timezone.utc).timestamp()
+        start_ts = 0
+        end_ts = datetime.now(timezone.utc).timestamp()
         jql = self._build_jql(start_ts, end_ts)
 
         checkpoint = self.build_dummy_checkpoint()
@@ -962,7 +963,16 @@ def main(config: dict[str, Any] | None = None) -> None:
 
     if not base_url:
         raise RuntimeError("Jira base URL must be provided via config or CLI arguments.")
-    if not (credentials.get("jira_api_token") or (credentials.get("jira_user_email") and credentials.get("jira_password"))):
+    if not (
+        credentials.get("jira_api_token")
+        or (
+            (
+                credentials.get("jira_user_email")
+                or credentials.get("jira_username")
+            )
+            and credentials.get("jira_password")
+        )
+    ):
         raise RuntimeError("Provide either an API token or both email/password for Jira authentication.")
 
     connector_options = {