Resolve "Potential divide by zero in TD Renderer"

• Related issues: #1166 (closed)
• Requested reviewers: @kinuthia, @norvell

Reason why this change is needed

• When using the TD Object Renderer with a binary file generated with a custom SOFA file, a potential divide by zero can occur while generating filters.

Description of the change

• Add an Epsilon for the division

Affected operating points

• Binaural output with TD Object Renderer

Related to #1166 (closed)