Allow to reset key store and stop key fetching

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

goKMS/kms/peers/danetQuantummodule.go

@@ -120,7 +120,9 @@ func (qm *DanetQuantumModule) Sync() error {
 	}
 
 	for keyId, key := range keyData {
-		qm.keyStore.AddKey(keyId, key)
+		if err := qm.keyStore.AddKey(keyId, key); err != nil {
+			log.Error(err)
+		}
 	}
 
 	qm.RawBulkKeysMutex.Lock()