fix LSP existence check

[zhangzujian]

• Make sure you have followed Kube-OVN Code Style.

What type of this PR

• Bug fixes

Which issue(s) this PR fixes:

Fixes #(issue-number)

WHAT

🤖 Generated by Copilot at b1a3ce1

Fix a logic error in reconcileOvnDefaultVpcRoute that caused missing default routes for some pods. This bug fix resolves issue #1140.

🤖 Generated by Copilot at b1a3ce1

reconcileOvn
Fixes logic error - kya!
Pods can surf now

HOW

🤖 Generated by Copilot at b1a3ce1

• Fix logic error in reconcileOvnDefaultVpcRoute function to skip pods without lsp instead of with lsp (link)

[github-actions]

• The commit message is missing, please add a descriptive message explaining the changes made in this patch.
• In line 1482, there is a typo "lsp" should be "LSP".
• In line 1484, the error message should include the name of the pod that caused the error to make it easier for the user to identify which pod needs to be deleted.