Make cake: Preheat oven to 325° and grease a loaf pan with cooking spray. In a large bowl using a hand mixer, beat butter and cream cheese together. Add sugar and beat until combined. Add eggs and almond extract and beat until incorporated.  In a medium bowl, whisk together almond flour, baking powder, and salt. Add to wet ingredients and mix until just combined.  Pour batter into prepared pan and bake until golden and a toothpick inserted in middle comes out clean, about 1 hour and 20 minutes. If top starts to get too dark loosely cover with foil. Let cool 10 minutes then flip onto a cooling rack to let cool completely.  Make the glaze: In a small bowl, mix together powdered sugar, cream, orange juice, and zest. Pour over cooled cake. Let set for 10 minutes before slicing.