Don't require name from OpenStreetMap when name is blank

[CaptainGlac1er]

Closes: #241

Description

Added name as an optional field when OpenStreetMap returns an empty string for name

Use this section to provide a summary description of the changes you've made

Why have you chosen this solution?

OpenStreetMap returns an empty string for name.

Potential better solution is to check source, then check for the mandatory fields only. Right now address2 is optional but that is part of manual input.

Breaking Changes / Backwards Compatibility

Not breaking change

Dependencies

N/A

How has this PR been tested?

Added unit test to cover this scenario

Checklist:

• I have completed the above PR template
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (if applicable)
• My changes generate no new warnings
• My changes include tests that prove my fix is effective (or that my feature works as intended)
• New and existing unit/integration tests pass locally with my changes
• Any dependent changes have corresponding PRs that are listed above