prevent overwriting properties when values not passed

Author: nikooo777

extras/jsonrpc/daemon.go

@@ -232,8 +232,8 @@ type Location struct {
 	Longitude  *string `json:"longitude,omitempty"`
 }
 type ClaimCreateOptions struct {
-	Title        string     `json:"title"`
-	Description  string     `json:"description"`
+	Title        *string    `json:"title,omitempty"`
+	Description  *string    `json:"description,omitempty"`
 	Tags         []string   `json:"tags,omitempty"`
 	Languages    []string   `json:"languages,omitempty"`
 	Locations    []Location `json:"locations,omitempty"`