kpmcore: factor out sometimes-needed dependencies

CMakeModules/KPMcoreHelper.cmake

@@ -11,6 +11,10 @@
 # library, which will add definition WITHOUT_KPMcore.
 #
 if(NOT TARGET calapmcore)
+    find_package(${kfname}Config CONFIG)
+    find_package(${kfname}I18n CONFIG)
+    find_package(${kfname}WidgetsAddons CONFIG)
+
     if(NOT WITH_QT6)
         # TODO: Qt6 how to detect the version of Qt that KPMCore needs?
         find_package(KPMcore 20.04.0)

src/modules/fsresizer/CMakeLists.txt

@@ -3,10 +3,6 @@
 #   SPDX-FileCopyrightText: 2020 Adriaan de Groot <groot@kde.org>
 #   SPDX-License-Identifier: BSD-2-Clause
 #
-find_package(KF5Config CONFIG)
-find_package(KF5I18n CONFIG)
-find_package(KF5WidgetsAddons CONFIG)
-
 include(KPMcoreHelper)
 
 if(KPMcore_FOUND)

src/modules/partition/CMakeLists.txt

@@ -45,10 +45,6 @@ find_package(ECM ${ECM_VERSION} REQUIRED NO_MODULE)
 
 include(KPMcoreHelper)
 
-find_package(${kfname}Config CONFIG)
-find_package(${kfname}I18n CONFIG)
-find_package(${kfname}WidgetsAddons CONFIG)
-
 if(KPMcore_FOUND)
     include_directories(${PROJECT_BINARY_DIR}/src/libcalamaresui)