Lower angle limit from a polar double integral

The value of the real number $m$ in the following equation

$$\int_0^1\int_x^{\sqrt{2-x^2}}\left(x^2+y^2\right)dy\,dx=\int_{m\pi}^{\pi/2}\int_0^{\sqrt2}r^3\,dr\,d\theta$$

is ________________________