Compatibility with modernweb

[43081j]

modernweb ships its own fork of dom5, but doesn't use all of it (see here).

There's likely flexibility in changing interfaces via contributions.

function	summary	migration/action
queryAll	traverses the tree of a node depth-first by a filter	use queryAll with a condition
getAttribute	gets the string value of an attribute by name	use getAttribute
hasAttribute	determines if an attribute exists by name	use hasAttribute
getTextContent	gets the text content of a node	use getTextContent
remove	removes a node	use tree adapter (detachNode)
setTextContent	sets the text content of a node	use setTextContent

[43081j]

This is tracked in modernweb-dev/web#2227 which is currently blocked by migration to ESM on their end

Even though the API seems complete enough for MW to use, i will leave this open for sake of tracking until the PR is merged on their end.