Add confirm and cancel buttons to member settings.

[DanilAndreev]

Describe the bug 👀

Add buttons to allow user cancel changes in member settings in organization.

How to reproduce 🏃:

1. Go to organization page.
2. Click on user settings.
3. Change something.

Expected behavior 🙌

A way to confirm or cancel changes.

Screenshots ✨

System information

Desktop 💻:

• OS: Windows 10
• Browser Chrome
• Version latest

Smartphone 📱:

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context 🌞

[issue-label-bot]

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