Use new 2D dashed line shader in 3DView camera view. Note that this also involved converting UI_draw_safe_areas() to this dashed shader, which means it cannot be used anymore with other shaders. Part of D2647.
Use new 2D dashed line shader in 3DView camera view. Note that this also involved converting UI_draw_safe_areas() to this dashed shader, which means it cannot be used anymore with other shaders. Part of D2647.