Tooltip actions

[berekuk]

This PR adds the contextual dropdown menu to editor tooltips:

TODO before this can be merged:

• fix the critical problem with the menu disappearing if the pointer is outside of the tooltips box (looking through hoverTooltip source code, it doesn't seem possible to customize, so we'd have to fork hoverTooltip implementation from Codemirror)
  • alternatively, we could replace the dropdown menu with a set of buttons that don't bleed outside of the tooltip box; but we're going to have many actions, eventually, so this won't scale
• implement more useful actions - one that I particularly care about is "add documentation", which should open a modal window for editing the markdown for @doc tag
• not a blocker, but it would be nice to have these actions available from the viewer side of the playground too (this would require exposing the entire EditorView object outside of <CodeEditor>, but that shouldn't be difficult)

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Name	Status	Preview	Updated (UTC)
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[changeset-bot]

🦋 Changeset detected

Latest commit: 9eb71ec

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 6 packages

Name	Type
@quri/squiggle-components	Patch
@quri/versioned-squiggle-components	Patch
vscode-squiggle	Patch
@quri/squiggle-lang	Patch
@quri/prettier-plugin-squiggle	Patch
@quri/squiggle-textmate-grammar	Patch

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[berekuk]

Note: this PR is done on top of #3314, can switch to main after that one is merged.