Material looses texture map when adding another texture to project

Steps to reproduce:

• Create a 3D project
• Add a texture to the project, e.g. from Content Library - Textures
• In Material Browser, right click texture and choose "Apply to selected material"
• Choose e.g. baseColorMap and apply
• -> Texture seems to be applied correctly
• Add another texture to the project
• -> material looses the texture map