fix: update KF6 cross-compile build configurations

Patch CMakeLists.txt across 15 KF6 packages for Redox cross-compile.
Add kf6-ksvg recipe for KWin dependency chain.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/recipes/kde/kf6-ksvg/source/po/is/libksvg6.po

@@ -0,0 +1,28 @@
+# Copyright (C) YEAR This file is copyright:
+# This file is distributed under the same license as the ksvg package.
+#
+# Sveinn í Felli <sv1@fellsnet.is>, 2024.
+msgid ""
+msgstr ""
+"Project-Id-Version: ksvg\n"
+"Report-Msgid-Bugs-To: https://bugs.kde.org\n"
+"POT-Creation-Date: 2023-07-13 02:10+0000\n"
+"PO-Revision-Date: 2024-02-19 09:43+0000\n"
+"Last-Translator: Sveinn í Felli <sv1@fellsnet.is>\n"
+"Language-Team: Icelandic\n"
+"Language: is\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Lokalize 22.04.3\n"
+
+#, kde-format
+msgctxt "NAME OF TRANSLATORS"
+msgid "Your names"
+msgstr "Sveinn í Felli"
+
+#, kde-format
+msgctxt "EMAIL OF TRANSLATORS"
+msgid "Your emails"
+msgstr "sv1@fellsnet.is"