fix: Custom extensions issue with open from Dialog plugin with filters (#2826)

[ppmpreetham]

Warning

THIS PR REQUIRES TESTING ON ANDROID

Now the following code snipped works on Android:

const filePath = await open({
      filters: [
        {
          name: "HTML Files",
          extensions: ["html", "htm"],
        },
      ],
      multiple: false,
      directory: false,
});

[github-actions]

Package Changes Through e7c1d99

There are 2 changes which include dialog with patch, dialog-js with patch

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request.

package	current	next
api-example	2.0.31	2.0.32
api-example-js	2.0.27	2.0.28
dialog	2.3.1	2.3.2
dialog-js	2.3.1	2.3.2

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[FabianLars]

I didn't try this PR yet but it looks like now you filter the results after the user selected the files, right?

[FabianLars]

i did a bit of testing and ended up with this #2871