Fix Frontend Failing Test: all frontends- math.paddle.trunc

[ZJay07]

PR Description

Error was caused by paddle.trunc uses input instead of x, fixed by using input as the argument instead of x

Related Issue

Closes ##28505
Closes ##28531
Closes ##28530
Closes ##28529
Closes ##28528

Checklist

• Did you add a function?
• Did you add the tests?
• Did you run your tests and are your tests passing?
• Did pre-commit not fail on any check?
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[Ishticode]

Thanks for the update@ZJay07
Will merge soon :)