gnu: paraview: Build with Qt6.

* gnu/packages/image-processing.scm (paraview)[inputs]: Remove qtbase-5,
qtdeclarative-5, qtmultimedia-5, qtsvg-5, qttools-5, qtwebchannel-5,
qtwebengine-5, qtx11extras, and qtxmlpatterns-5; add libxslt, qt5compat,
qtdeclarative, qtmultimedia, qtsvg, qttools, qtwebchannel, and qtwebengine.

Change-Id: Ie59132a7809763bd6cc1721373998ac8fddc94af

gnu/packages/image-processing.scm

@@ -1025,6 +1025,7 @@ recalculates.")
     (build-system qt-build-system)
     (arguments
      (list
+      #:qtbase qtbase
       #:build-type "Release"            ; 542 MiB in release mode
       #:tests? #f                       ; Downloads test data
       #:configure-flags
@@ -1173,6 +1174,7 @@ recalculates.")
            libtiff
            libxcursor
            libxml2
+           libxslt
            libxt
            lz4
            lzip
@@ -1190,15 +1192,13 @@ recalculates.")
            python-mpi4py
            python-numpy
            python-wrapper
-           qtbase-5
-           qtdeclarative-5
-           qtmultimedia-5
-           qtsvg-5
-           qttools-5
-           qtwebchannel-5
-           qtwebengine-5
-           qtx11extras
-           qtxmlpatterns-5
+           qt5compat
+           qtdeclarative
+           qtmultimedia
+           qtsvg
+           qttools
+           qtwebchannel
+           qtwebengine
            sdl2
            sqlite
            tbb