fix: add missing type definitions for all-imports.js

[web-padawan]

Description

Fixes #4874

Added missing all-imports.d.ts file to enable importing all-imports.js in TS without errors.
Also, updated corresponding all-imports.js to re-export from root entrypoints.

Type of change

• Bugfix

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[vaadin-bot]

Hi @web-padawan , this commit cannot be picked to 23.1 by this bot, can you take a look and pick it manually?
Error Message: Error: Command failed: git cherry-pick b7ca6d1
error: could not apply b7ca6d1... fix: add missing type definitions for all-imports.js (#4875)
hint: After resolving the conflicts, mark them with
hint: "git add/rm ", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".

[vaadin-bot]

Hi @web-padawan , this commit cannot be picked to 22.0 by this bot, can you take a look and pick it manually?
Error Message: Error: Command failed: git cherry-pick b7ca6d1
error: could not apply b7ca6d1... fix: add missing type definitions for all-imports.js (#4875)
hint: After resolving the conflicts, mark them with
hint: "git add/rm ", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".