docs(databases): update English image for troubleshooting guide

docs（database）: Add database troubleshooting image for guides.

docs(databases): Rename the database troubleshooting image.

Author: im0x0ing

content/docs/guides/databases/database-troubleshooting-guide.en.mdx

@@ -58,7 +58,7 @@ psql -U postgres
 
 Or connect via the Sealos Terminal:
 
-![Connect via Sealos Terminal](../images/sealos-terminal-connect.png)
+![Connect via Sealos Terminal](../images/database-troubleshooting-en.png)
 
 ```bash
 # MySQL