feat: remember opened project tree items

[MaxKless]

• feat: remember opened projects
• test: e2e test for remembering collapsible state

[nx-cloud]

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✅ Successfully ran 4 targets

• nx affected --target=e2e --parallel=3 --configuration=ci
• nx affected --target=lint --parallel=3 --configuration=ci
• nx-cloud record -- yarn exec nx format:check
• nx-cloud record -- yarn exec nx workspace-lint

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