Ensure inject script does not load wasm.

[shjortConcordium]

Purpose

Some websites throw errors because our inject script tries to load wasm. It doesn't need any wasm though, so this makes sure it doesn't try to load it anyway. (By using the new web-sdk version)

Checklist

• My code follows the style of this project.
• The code compiles without warnings.
• I have performed a self-review of the changes.
• I have documented my code, in particular the intent of the
  hard-to-understand areas.
• (If necessary) I have updated the CHANGELOG.