Bug: When implementing a feature that points to an existing issue, new issue shouldn't be created

[mihai169]

Test case for acceptance criteria:

Scenario: Ensure a new issue is not created when pointing to an existing issue
Given there is an existing issue "Issue A" in the repository
And a feature is being implemented that references "Issue A"
When the user links the feature to "Issue A"
Then the system should not create a new issue
And the feature should be correctly linked to "Issue A"

[snobbee]

@mihai169 This issue is resolved when I attempt to implement a feature that already has an existing issue in the repository, it won't create a duplicate issue. Let me share a screenshot of test result below.

actual PR snobbee/test-repo#14

and previously existing issue snobbee/test-repo#12