fix(utils): make URL search params parsing and serialization WHATWG URL compliant

[glowcloud]

Refs #9804

[char0n]

This one is tricky, as it looks like it's solving some problem, but it just tries to compensate for deficiencies of in operator. More info in 12a9fbc.

      if (!Object.prototype.hasOwnProperty.call(params, i)) {
        continue
      }