Fix silkscreen paths causing extra pins in schematic view

[vishwamartur]

Related to #308

Add method to prevent silkscreen paths from being interpreted as pins in schematic view.

• SilkscreenPath.ts
  • Add doInitialSchematicComponentRender method to SilkscreenPath class to prevent silkscreen paths from being interpreted as pins in the schematic view.
• silkscreenpath.test.tsx
  • Add test case to verify that silkscreen paths are not interpreted as pins in the schematic view.

[seveibar]

The fix is probably in this code

but you should get a good repro first

[github-actions[bot]]

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