fix(frontend) :: remove any types from sqlpage.ts

[81reap]

sqlpage.ts now has no implicit anys.

Fixing this smoked out two bugs ::

1. init_bootstrap_components read event.target without knowing what kind of element. We also tighting scope from Element to HTMLElement.
2. normalize_hash passed undefined to decodeURIComponent, which stringifies it, so a toast with no data-toast-trigger opened at #undefined.

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