[Sign & Submit] Verify alerts for missing Institution info

[meissadia]

• [x] LEI
• [x] TIN
• [x] Types of Financial Institution

[meissadia]

@natalia-fitzgerald This is a mocked scenario only to demonstrate what would be displayed for these data fields if they were to be returned unpopulated from the Institution API on the Sign & Submit page, but confirms that the appropriate logic is in place to display the correct language for any missing Institution info.

[natalia-fitzgerald]

@meissadia

• Change label to "LEI registration status"
• Change to error (red) instead of warning (gold)
• If Type of financial institution is missing wouldn't this indicate a larger scale problem and perhaps the page wouldn't load the filing information?