Ensure IP is not already registred on other farms before adding it

[sameh-farouk]

Which package/s are you suggesting this feature for?

Dashboard

Is your feature request related to a problem? Please describe

https://github.com/threefoldtech/tfchain_graphql/issues/157

Describe the solution you'd like

Add a validation on add ip form to ensure IP is not already registred on other farms before adding it

[amiraabouhadid]

added validation check to see if IP exists in any farm

[atefnazmy]

• Verified on Dev
• Version: ac03039
• The validation that checks for an existing IP has been added successfully.

[khaledyoussef24]

verified on devnet version : c112478

testcase