Let \( I(x) = \int \dfrac{x^{2}\left(x\sec^{2}x + \tan x\right)}{(x \tan x + 1)^{2}} \, dx \). If \( I(0) = 0 \), then \( I\!\left(\dfrac{\pi}{4}\right) \) is equal to:
\( \log_{e} \dfrac{(\pi + 4)^{2}}{16} + \dfrac{\pi^{2}}{4(\pi + 4)} \)
\( \log_{e} \dfrac{(\pi + 4)^{2}}{16} - \dfrac{\pi^{2}}{4(\pi + 4)} \)
\( \log_{e}\dfrac{(\pi + 4)^{2}}{32} + \dfrac{\pi^{2}}{4(\pi + 4)} \ \)
\( \log_{e} \dfrac{(\pi + 4)^{2}}{32} - \dfrac{\pi^{2}}{4(\pi + 4)} \)