DragLineX ASSERT on InvisibleButton when plot size is 0

[ozlb]

https://github.com/epezent/implot/blob/14d4c96d0c169198e60079d467111139b47242f5/implot.cpp#L3370

bool ImGui::InvisibleButton(const char* str_id, const ImVec2& size_arg, ImGuiButtonFlags flags) // Cannot use zero-size for InvisibleButton(). Unlike Button() there is not way to fallback using the label size.