Feature: Team Allocations Shell

[ayushnirwal]

Description

• Add new routes for team allocations and project allocations.
• Add new sidebar options for team allocations and project allocations.
• Add new layout for both allocation pages.
• Add sub-header for team allocations page.
• Refactor of Timesheet filtering UI.

Screenshot/Screencast

Checklist

• I have carefully reviewed the code before submitting it for review.
• This code is adequately covered by unit tests to validate its functionality.
• I have conducted thorough testing to ensure it functions as intended.
• A member of the QA team has reviewed and tested this PR (To be checked by QA or code reviewer)

Fixes #930

[Copilot]

Pull request overview

Introduces a new “Allocations” section in the frontend app by adding dedicated routes, sidebar navigation, and a shared allocations page layout (with an initial Team toolbar shell).

Changes:

• Added /allocations/team and /allocations/project routes under a new Allocations layout.
• Updated the sidebar to expose Allocations navigation entries.
• Refactored parts of Timesheet filtering types/UI (notably the personal timesheet header filters).

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
frontend/packages/app/src/types/timesheet.ts	Adjusts TimesheetFilters optionality/nullability for filter fields.
frontend/packages/app/src/route.tsx	Adds Allocations layout + team/project routes.
frontend/packages/app/src/pages/timesheet/personal/index.tsx	Replaces filter components with inline TextInput/Select controls.
frontend/packages/app/src/pages/allocations/team/index.tsx	Adds initial Team allocations toolbar shell with search + filters.
frontend/packages/app/src/pages/allocations/project/index.tsx	Adds placeholder Project allocations page shell.
frontend/packages/app/src/pages/allocations/layout.tsx	Adds Allocations header with breadcrumb view-switch dropdown and “Add allocation” CTA.
frontend/packages/app/src/lib/constant.ts	Replaces old allocation route constant with new allocations routes.
frontend/packages/app/src/layout/sidebar/index.tsx	Adds Allocations section to sidebar and updates GlobalSearch items.
frontend/packages/app/src/components/filters/searchTasks.tsx	Removes the reusable SearchTasks filter component.

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