[Converters] Make sure `convertedValueToType` works fine + add tests

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[Converters] Make sure convertedValueToType works fine + add tests

https://github.com/arturo-lang/arturo/blob/ce734e7a32c73173910cdf8f533f56be21febe3b/src/library/Converters.nim#L66

    return res

# TODO(Converters) Make sure `convertedValueToType` works fine + add tests
#  labels: library, cleanup, unit-test

proc convertedValueToType*(x, y: Value, tp: ValueKind, aFormat = VNULL): Value =
    if y.kind == tp and y.kind!=Dictionary and y.kind!=Quantity:
        return y

7f18bbffbdfabe2eeb4b581f6cb23501ade9276f