chore: Make lookup fields in the API omit when they're empty.

This makes the API more accurate to the previous API's responses.

backend/api/controllers/v1/backends/lookup.go

@@ -27,9 +27,9 @@ type SanitizedBackend struct {
 	Name              string   `json:"name"`
 	BackendID         uint     `json:"id"`
 	OwnerID           uint     `json:"ownerID"`
-	Description       *string  `json:"description"`
+	Description       *string  `json:"description,omitempty"`
 	Backend           string   `json:"backend"`
-	BackendParameters *string  `json:"connectionDetails"`
+	BackendParameters *string  `json:"connectionDetails,omitempty"`
 	Logs              []string `json:"logs"`
 }
 

backend/api/controllers/v1/proxies/lookup.go

@@ -29,7 +29,7 @@ type ProxyLookupRequest struct {
 type SanitizedProxy struct {
 	Id              uint    `json:"id"`
 	Name            string  `json:"name"`
-	Description     *string `json:"description"`
+	Description     *string `json:"description,omitempty"`
 	Protcol         string  `json:"protocol"`
 	SourceIP        string  `json:"sourceIP"`
 	SourcePort      uint16  `json:"sourcePort"`