flip electron fuses during app build process (FS-997)

[comawill]

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PR Submission Checklist for internal contributors

• The PR Title

  • [x] conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • [x] contains a reference JIRA issue number like SQPIT-764
  • [x] answers the question: If merged, this PR will: ... ³

• The PR Description

  • [x] is free of optional paragraphs and you have filled the relevant parts to the best of your ability

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What's new in this PR?

Issues

Electron Supports fuses for enhanced security (see also https://www.electronjs.org/docs/latest/tutorial/fuses)

Solutions

Flip fuses after the app binary is created.

Testing

How to Test

Each binary for each platform needs to be tested, whether it still runs or not.

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PR Post Submission Checklist for internal contributors (Optional)

• [ ] Wire's Github Workflow has automatically linked the PR to a JIRA issue

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PR Post Merge Checklist for internal contributors

• [ ] If any soft of configuration variable was introduced by this PR, it has been added to the relevant documents and the CI jobs have been updated.

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References

1. https://sparkbox.com/foundry/semantic_commit_messages
2. https://github.com/wireapp/.github#usage
3. E.g. feat(conversation-list): Sort conversations by most emojis in the title #SQPIT-764.