Attach (recommended) or Link to PDF file here:
https://www.meti.go.jp/policy/consumer/seian/denan/file/04_cn/scope/haninokaishaku_211228.pdf

Configuration:
- Web browser and its version: Google Chrome 107.0.5304.121
- Operating system and its version: Windows 10 Pro 21H2 19044.1826
- PDF.js version: v3.0.279
- Is a browser extension: No

Steps to reproduce the problem:
1. Search "ソレノイド" by Ctrl+F.

What went wrong? (add screenshot)
"ソレノイド" on page 10 must be hit.
If search "ソ レノイド" (add space between ソ and レ), it hits.

![image](https://user-images.githubusercontent.com/110510565/204415638-450c0b28-ce1e-4542-8f4d-7b67fe881f6d.png)

Steps to reproduce the problem:
1. Search "ミシン用として用いられる" by Ctrl+F.

What went wrong? (add screenshot)
"ミシン用として用いられる" on page 5 must be hit.
If search "ミシン用として用いられ る" (add space between れ and る), it hits.

![image](https://user-images.githubusercontent.com/110510565/204416640-824b8f3f-9b7b-4ba5-856c-858d8d451689.png)

When this PDF file is opened by Adobe Reader, there is no problem.

Related issue:
[#15340](https://github.com/mozilla/pdf.js/issues/15340)






let totalPages = matchesPerPage.length;
    for (let i = totalPages - 1; i >= 0; i--) {
      if (matchesPerPage[i] > 0) {
        totalPages = i + 1;
        break;
      }
    }
    const totalMatches = matchesPerPage.reduce((a, b) => {
      return a + b;
    });
    eventBus.on(
      "updatefindmatchescount",
      function onUpdateFindMatchesCount(evt) {
        if (pdfFindController.pageMatches.length !== totalPages) {
          return;
        }
        eventBus.off("updatefindmatchescount", onUpdateFindMatchesCount);
        expect(evt.matchesCount.total).toBe(totalMatches);
        for (let i = 0; i < totalPages; i++) {
          expect(pdfFindController.pageMatches[i].length).toEqual(
            matchesPerPage[i]
          );
        }
        expect(pdfFindController.selected.pageIdx).toEqual(
          selectedMatch.pageIndex
        );
        expect(pdfFindController.selected.matchIdx).toEqual(
          selectedMatch.matchIndex