feat: search multiple NetBox instances with isolated host identities

internal/cache/cache.go

@@ -258,7 +258,8 @@ func (c *Cache) Search(prefix string) []Entry {
 	prefix = strings.ToLower(prefix)
 	var out []Entry
 	for name, e := range c.entries {
-		if strings.HasPrefix(strings.ToLower(name), prefix) {
+		_, hostname, qualified := strings.Cut(strings.ToLower(name), "/")
+		if strings.HasPrefix(strings.ToLower(name), prefix) || (qualified && !strings.Contains(prefix, "/") && strings.HasPrefix(hostname, prefix)) {
 			out = append(out, e)
 		}
 	}