FullscreenUI: Fix nav wrapping if first item is disabled

dep/imgui/src/imgui.cpp

@@ -10957,7 +10957,7 @@ void ImGui::SetScrollY(float scroll_y)
 void ImGui::SetScrollFromPosX(ImGuiWindow* window, float local_x, float center_x_ratio)
 {
     IM_ASSERT(center_x_ratio >= 0.0f && center_x_ratio <= 1.0f);
-    window->ScrollTarget.x = IM_TRUNC(local_x - window->DecoOuterSizeX1 - window->DecoInnerSizeX1 + window->Scroll.x); // Convert local position to scroll offset
+    window->ScrollTarget.x = IM_TRUNC(local_x - window->DecoOuterSizeX1 - window->DecoInnerSizeX1 + window->ScrollExpected.x); // Convert local position to scroll offset
     window->ScrollTargetCenterRatio.x = center_x_ratio;
     window->ScrollTargetEdgeSnapDist.x = 0.0f;
 }
@@ -10965,7 +10965,7 @@ void ImGui::SetScrollFromPosX(ImGuiWindow* window, float local_x, float center_x
 void ImGui::SetScrollFromPosY(ImGuiWindow* window, float local_y, float center_y_ratio)
 {
     IM_ASSERT(center_y_ratio >= 0.0f && center_y_ratio <= 1.0f);
-    window->ScrollTarget.y = IM_TRUNC(local_y - window->DecoOuterSizeY1 - window->DecoInnerSizeY1 + window->Scroll.y); // Convert local position to scroll offset
+    window->ScrollTarget.y = IM_TRUNC(local_y - window->DecoOuterSizeY1 - window->DecoInnerSizeY1 + window->ScrollExpected.y); // Convert local position to scroll offset
     window->ScrollTargetCenterRatio.y = center_y_ratio;
     window->ScrollTargetEdgeSnapDist.y = 0.0f;
 }
@@ -12959,6 +12959,7 @@ static void ImGui::NavUpdateCreateWrappingRequest()
             bb_rel.TranslateX(-bb_rel.GetWidth()); // Previous column
             clip_dir = ImGuiDir_Left;
         }
+        SetScrollY(window, window->ScrollMax.y);
         do_forward = true;
     }
     if (g.NavMoveDir == ImGuiDir_Down && (move_flags & (ImGuiNavMoveFlags_WrapY | ImGuiNavMoveFlags_LoopY)))
@@ -12969,6 +12970,7 @@ static void ImGui::NavUpdateCreateWrappingRequest()
             bb_rel.TranslateX(+bb_rel.GetWidth()); // Next column
             clip_dir = ImGuiDir_Right;
         }
+        SetScrollY(window, 0.0f);
         do_forward = true;
     }
     if (!do_forward)