0\], we get an isomorphism of $\overline{\bbF}_q$-algebras $$\xymatrix{ \sB_{\overline{\bbF}_q}^{(0)}:\cA_{\overline{\bbF}_q}^{(0)}\ar[r]^<<<<<{\sim} & \overline{\bbF}_q[\bbT^{\vee}\times V_{\mathbf{\whT},0}]