Fix replacing every src string / Issue from Weblinks repo

[mahmoudmagdy1-1]

Pull Request for Issue 591 from weblinks.

Summary of Changes

When using patchtester to test components, it replaces every /src folder with empty string (it removes it from the path) but in reality we only need to remove the first /src occurrence only, otherwise if the the pull request we checking the changes from has another /src in it's path its going to get removed and we get this error
The file marked for modification does not exist, like the issue in the link above

Testing Instructions

1. Login as Admin
2. Fetch data from the Weblinks GitHub Repository using patchtester
3. Apply a patch from any pull request that includes file path changes containing /src