Fix Qmake based build

Summary:
This patch should resolve https://www.reddit.com/r/kde/comments/azgfbj/cant_compile_kirigami_for_android/

Also fix a warning duplicate entry in qrc

Test Plan: Build with cmake and qmake works

Reviewers: Kirigami, mart

Reviewed By: Kirigami, mart

Subscribers: mart, plasma-devel

Tags: Kirigami

Differential Revision: https://phabricator.kde.org/D19662