Add explicit dependency for @nextcloud/paths

@nextcloud/paths was already an implicit dependency, but now it is made
explicit to use the functions it provides in the PDF viewer code.

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

Author: danxuliu

package-lock.json

@@ -32,6 +32,7 @@
     "@nextcloud/dialogs": "^6.0.0",
     "@nextcloud/l10n": "^3.1.0",
     "@nextcloud/logger": "^3.0.2",
+    "@nextcloud/paths": "^2.2.1",
     "@nextcloud/router": "^3.0.1",
     "@nextcloud/sharing": "^0.2.4",
     "pdfjs-dist": "4.0.189"