fix: simply from and to in message to string type

[ad1992]

:bookmark_tabs: Summary

Change the type of from and to to string

Before

from?: { actor: string };
to?: { actor: string };

Now

  from?:  string;
  to?:string;

:straight_ruler: Design Decisions

Describe the way your implementation works or what design decisions you made if applicable.

:clipboard: Tasks

Make sure you

• [ ] :book: have read the contribution guidelines
• [ ] :computer: have added necessary unit/e2e tests.
• [ ] :notebook: have added documentation. Make sure MERMAID_RELEASE_VERSION is used for all new features.
• [ ] :bookmark: targeted develop branch

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 13 lines in your changes are missing coverage. Please review.

Project coverage is 5.73%. Comparing base (8265e53) to head (e102ac2).

Additional details and impacted files

[](https://app.codecov.io/gh/mermaid-js/mermaid/pull/5471?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mermaid-js) ```diff @@ Coverage Diff @@ ## develop #5471 +/- ## ======================================= Coverage 5.73% 5.73% ======================================= Files 277 277 Lines 42002 41999 -3 Branches 515 515 ======================================= Hits 2407 2407 + Misses 39595 39592 -3 ``` | [Flag](https://app.codecov.io/gh/mermaid-js/mermaid/pull/5471/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mermaid-js) | Coverage Δ | | |---|---|---| | [unit](https://app.codecov.io/gh/mermaid-js/mermaid/pull/5471/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mermaid-js) | `5.73% <0.00%> (+<0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mermaid-js#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/mermaid-js/mermaid/pull/5471?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mermaid-js) | Coverage Δ | | |---|---|---| | [...ckages/mermaid/src/diagrams/sequence/sequenceDb.ts](https://app.codecov.io/gh/mermaid-js/mermaid/pull/5471?src=pr&el=tree&filepath=packages%2Fmermaid%2Fsrc%2Fdiagrams%2Fsequence%2FsequenceDb.ts&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mermaid-js#diff-cGFja2FnZXMvbWVybWFpZC9zcmMvZGlhZ3JhbXMvc2VxdWVuY2Uvc2VxdWVuY2VEYi50cw==) | `0.00% <0.00%> (ø)` | | | [.../mermaid/src/diagrams/sequence/sequenceRenderer.ts](https://app.codecov.io/gh/mermaid-js/mermaid/pull/5471?src=pr&el=tree&filepath=packages%2Fmermaid%2Fsrc%2Fdiagrams%2Fsequence%2FsequenceRenderer.ts&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mermaid-js#diff-cGFja2FnZXMvbWVybWFpZC9zcmMvZGlhZ3JhbXMvc2VxdWVuY2Uvc2VxdWVuY2VSZW5kZXJlci50cw==) | `0.00% <0.00%> (ø)` | |

[ad1992]

@sidharthv96 let me know if this looks good