Forms: add centralized forms list

[edanzer]

Fixes #

Proposed changes:

Will add when ready.

Other information:

• Have you written new tests for your changes, if applicable?
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Jetpack product discussion

Does this pull request change what data or activity we track or use?

Testing instructions:

• Will add when ready.

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[jp-launch-control]

Code Coverage Summary

Coverage changed in 3 files.

File	Coverage	Δ%	Δ Uncovered
projects/packages/forms/src/dashboard/inbox/stage/views.js	0/48 (0.00%)	0.00%	24 💔
projects/packages/forms/src/dashboard/class-dashboard.php	24/124 (19.35%)	-1.51%	9 💔
projects/packages/forms/src/dashboard/components/empty-responses/index.tsx	0/44 (0.00%)	0.00%	-2 💚

9 files are newly checked for coverage. Only the first 5 are listed here.

File	Coverage
projects/packages/forms/src/dashboard/class-forms-endpoint.php	0/123 (0.00%) 💔
projects/packages/forms/src/dashboard/components/empty-forms/index.tsx	0/2 (0.00%) 💔
projects/packages/forms/src/dashboard/components/empty-wrapper/index.tsx	0/1 (0.00%) 💔
projects/packages/forms/src/dashboard/components/forms-stats-sidebar/index.tsx	0/21 (0.00%) 💔
projects/packages/forms/src/dashboard/components/forms-view-toggle-button/index.tsx	0/8 (0.00%) 💔

Full summary · PHP report · JS report

_{If appropriate, add one of these labels to override the failing coverage check: Covered by non-unit tests Use to ignore the Code coverage requirement check when E2Es or other non-unit tests cover the code Coverage tests to be added later Use to ignore the Code coverage requirement check when tests will be added in a follow-up PR I don't care about code coverage for this PR Use this label to ignore the check for insufficient code coveage.}

[edanzer]

Closed in favor of #46580