Address some build warnings

app/src/main/java/eu/kanade/tachiyomi/util/system/IntentExtensions.kt

@@ -4,12 +4,12 @@ import android.content.ClipData
 import android.content.Intent
 import android.net.Uri
 
-fun Uri.toShareIntent(): Intent {
+fun Uri.toShareIntent(type: String = "image/*"): Intent {
     val uri = this
     return Intent(Intent.ACTION_SEND).apply {
         putExtra(Intent.EXTRA_STREAM, uri)
         clipData = ClipData.newRawUri(null, uri)
-        type = "image/*"
+        setType(type)
         flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_GRANT_READ_URI_PERMISSION
     }
 }