Password and UUID generator update button and UI fixes.

[yui10]

Update button for password and UUID generator made similar to Lorem Ipsum Generator and modified UI for specifying the number of outputs.

パスワードとUUIDジェネレーターの更新ボタンをLorem Ipsum Generatorと同様な更新ボタンにし、出力件数指定のUIを修正

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• New feature or enhancement
• UI change (please include screenshot!)
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Internationalization and localization
• Other (please describe):

What is the current behavior?

Issue Number: DevToys-app/DevToys#1488

What is the new behavior?

• Make the update button on the password and UUID generator similar to the Lorem Ipsum generator
• Fixed UI for specifying number of outputs

Other information

UUID

• Before
  

• After
  

Password

• Before
  

• After
  

Quality check

Before creating this PR:

• Did you follow the code style guideline as described in CONTRIBUTING.md
• Did you build the app and test your changes?
• Did you check for accessibility? On Windows, you can use Accessibility Insights for this.
• Did you verify that the change work in Release build configuration
• Did you verify that all unit tests pass
• If necessary and if possible, did you verify your changes on:
  • Windows
  • macOS
  • Linux

[veler]

This is a great proposal, thank you for this! :D