Render Modals in Portals

[allanlasser]

This renders Modals in a new Portal component, following the proposal made in #578. This approach to modals does not require global context or any state management. The parent calling component needs to simply track whether it wants the modal to be displayed, or not.

To fix:

• [x] Move Portal from common to layouts
• [x] Cancelling the form does not close the modal

[github-actions[bot]]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	30.27%	3370 / 11130
🔵	Statements	30.27%	3370 / 11130
🔵	Functions	31.68%	64 / 202
🔵	Branches	54.21%	180 / 332

File Coverage

File	Stmts	% Branch	% Funcs	% Lines	Uncovered Lines
Changed Files
src/lib/components/layouts/MainLayout.svelte	0%	0%	0%	0%	1-246
src/lib/components/layouts/Modal.svelte	0%	0%	0%	0%	1-104
src/lib/components/layouts/Portal.svelte	0%	0%	0%	0%	1-29
src/routes/documents/[id]-[slug]/+layout.svelte	0%	0%	0%	0%	1-81
src/routes/documents/[id]-[slug]/redact/+page.svelte	0%	0%	0%	0%	1-132
src/routes/documents/[id]-[slug]/sidebar/Actions.svelte	0%	0%	0%	0%	1-153
src/routes/documents/[id]-[slug]/sidebar/DocumentMetadata.svelte	0%	0%	0%	0%	1-85

Generated in workflow #188

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