Restrict Directives to Valid Combinations

[GeekInTheNorth]

Only show valid directives for specialised sources:

• 'unsafe-eval'
  • script-src
  • script-src-elem
  • script-src-attr
  • worker-src
• 'wasm-unsafe-eval'
  • script-src
  • script-src-elem
  • script-src-attr
  • worker-src
• 'unsafe-hashes'
  • script-src
  • script-src-elem
• 'unsafe-inline'
  • script-src
  • script-src-elem
  • script-src-attr
  • style-src
  • style-src-elem
  • style-src-attr
• 'inline-speculation-rules'
  • script-src
  • script-src-elem

Validation should also prevent invalid directives for specialised sources.