Show correct letter case in transaction confirmation page

[abitmore]

Describe the bug

All letters are shown as UPPER CASE in transaction confirmation page. It's incorrect because some data in transaction is case insensitive.

To Reproduce
Steps to reproduce the behavior:

1. try to broadcast a transaction, e.g. send funds with a memo
2. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
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Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

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

Additional context
Add any other context about the problem here.