[BUG] Check Testnet vs NEAR Address on Form Validations (Add Team Members, Etc)

[codingshot]

Describe the bug
one thing on adding team members if on testnet it only does near addresses checkng for mainnet but it should switch to check test vs near addresses
To Reproduce
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1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
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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
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