refactor: move asset stacks to their own entity (#6353)

* feat: auto-stack burst photos

* feat: move stacks to asset stack entity

* chore: pin node version with volta in server

* chore: update e2e cases

* chore: cleanup

* feat: migrate existing stacks

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Co-authored-by: Jason Rasmussen <jrasm91@gmail.com>

server/test/fixtures/shared-link.stub.ts

@@ -248,6 +248,7 @@ export const sharedLinkStub = {
             profileDescription: 'sRGB',
             bitsPerSample: 8,
             colorspace: 'sRGB',
+            autoStackId: null,
           },
           tags: [],
           sharedLinks: [],