[Bug] Considers .nomedia files as images

[ff2400t]

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Device information

• Tachidesk version: v0.5.4-r1045-windows-x64
• Server Operating System: Windows 10 19043.1319
• Server Desktop Environment: N/A
• Server JVM version: OpenJDK 8.0.302+8
• Client Operating System: Same as the server
• Client Web Browser: Google Chrome 96 and Firefox 95

Steps to reproduce

1. Have .nomedia file in a chapter folder
2. The server send the .nomedia as the first image

Expected behavior

complete ignore the nomedia file when sending the images and when counting the pages

Actual behavior

Serves the .nomedia file as the First image and also counts it as a page

Other details

This might only happen when someone copies a download folder from Tachiyomi on android to the Tachidesk manga/local folder as Tachidesk it self does not use any.nomedia file