The Brush Clip doesn't slice in othrographic view

Brush clip slicing doesn't work whenever slicing in Left sided Othrographic view mode.

Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647),  4.23 (CL - 6837701), 4.24 (CL - 7095658)

1. Create a Blank project
2. In the Mode tab, drag a Box, located in the Geometry section, to the scene
3. Change the camera view from Perspective view to Left Othrographic view
4. Navigate to the Geometry Editing mode
5. Select the Brush clip mode
6. Press spacebar twice along two of the edges of the mesh, making a line for incision
7. Press enter or click the Apply button

Expected: A geometric slice is made to the brush and a new edge is made

Result: An error pops up "Modifier (Brush Clip) : Unable to compute normal for brush clip!"