Fix task dialog blinking during edits

[Hell1213]

Skip WebSocket refresh for Edit Task operations
Prevents dialog from disappearing when editing fields

Description

• Modified WebSocket handler to skip task list refresh for Edit Task operations
• Task dialog now stays open when editing fields (description, due date, tags, etc.)
• Other operations (Add, Complete, Delete) still refresh normally
• Fixes: #(issue_number_if_exists)

Fixes : #286

Checklist

• Ran npx prettier --write . (for formatting)
• Ran gofmt -w . (for Go backend)
• Ran npm test (for JS/TS testing)
• Added unit tests, if applicable
• Verified all tests pass
• Updated documentation, if needed

Additional Notes

• Only affects Edit Task WebSocket responses - all other functionality unchanged

Demo Video :

Screencast.from.2025-12-21.16-11-28.mp4

[github-actions]

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[Hell1213]

Modified WebSocket handler to skip task list refresh for Edit Task operations

[Hell1213]

hey @its-me-abhishek , PR is ready for review .
Thanks