Correct dekstop file comment

Change org.openusd.usdview.desktop comment since usdview does not open cbr/cbz files.

org.openusd.usdview.desktop

@@ -1,7 +1,7 @@
 [Desktop Entry]
 Name=USD view
 GenericName=Universal Scene Description Viewer
-Comment=Open .cbr & .cbz files
+Comment=Visualize USD files
 Exec=usdview
 Icon=applications-graphics
 Terminal=false

usd.spec

@@ -19,12 +19,7 @@
 %bcond ocio          1
 %bcond oiio          1
 %bcond ptex          1
-# Not yet packaged
-%bcond pyside6       0
-# F39FailsToInstall: python3-pyside2, python3-shiboken2,
-# python3-shiboken2-devel
-# https://bugzilla.redhat.com/show_bug.cgi?id=2220452
-%bcond usdview       0
+%bcond usdview       1
 # TODO: Figure out how to re-enable the tests. Currently these want to install
 # into /usr/tests and, and there are issues with the launchers finding the
 # command-line tools in the buildroot.
@@ -185,7 +180,7 @@ BuildRequires:  openvdb-devel
 %endif
 
 %if %{with ptex}
-BuildRequires:  pkgconfig(Ptex)
+BuildRequires:  pkgconfig(ptex)
 %endif
 
 
@@ -288,15 +283,11 @@ you will need to install usd-devel.
 Summary: %{summary}
 
 BuildRequires:  pkgconfig(python3)
-BuildRequires:  pkgconfig(Qt5)
 BuildRequires:  python3dist(jinja2)
 %if %{with usdview}
 BuildRequires:  desktop-file-utils
-%if %{with pyside6}
 BuildRequires:  python3dist(pyside6)
-%else
-BuildRequires:  python3dist(pyside2)
-%endif
+BuildRequires:  pyside6-tools
 %endif
 BuildRequires:  python3dist(pyopengl)
 Requires:       font(roboto)
@@ -305,11 +296,7 @@ Requires:       font(robotolight)
 Requires:       font(robotomono)
 Requires:       python3dist(jinja2)
 %if %{with usdview}
-%if %{with pyside6}
 Requires:       python3dist(pyside6)
-%else
-Requires:       python3dist(pyside2)
-%endif
 %endif
 Requires:       python3dist(pyopengl)
 
@@ -358,16 +345,24 @@ sed -i 's|set(CMAKE_CXX_STANDARD 14)|set(CMAKE_CXX_STANDARD 17)|g' \
         cmake/defaults/CXXDefaults.cmake
 
 # Fix libdir installation
-sed -i 's|lib/usd|%{_libdir}/usd|g' cmake/macros/Private.cmake
-sed -i 's|"lib"|%{_libdir}|g' cmake/macros/Private.cmake
+sed -i 's|lib/usd|%{_libdir}/usd|g' \
+        cmake/macros/{Private,Public}.cmake
 sed -i 's|plugin/usd|%{_libdir}/usd/plugin|g' \
-        cmake/macros/Private.cmake
+        cmake/macros/{Private,Public}.cmake
+sed -i 's|"lib"|%{_libdir}|g' \
+        cmake/macros/{Private,Public}.cmake
 sed -i 's|/python|/python%{python3_version}/site-packages|g' \
-        cmake/macros/Private.cmake
-sed -i 's|lib/usd|%{_libdir}/usd|g' cmake/macros/Public.cmake
-sed -i 's|"lib"|%{_libdir}|g' cmake/macros/Public.cmake
-sed -i 's|plugin/usd|%{_libdir}/usd/plugin|g' \
-        cmake/macros/Public.cmake
+        cmake/macros/{Private,Public}.cmake pxr/usdImaging/usdviewq/CMakeLists.txt
+sed -i 's|/pxrConfig.cmake|%{_libdir}/cmake/pxr/pxrConfig.cmake|g' \
+        pxr/CMakeLists.txt
+sed -i 's|"cmake"|"%{_libdir}/cmake/pxr"|g' \
+        pxr/CMakeLists.txt
+sed -i 's|${PXR_CMAKE_DIR}/cmake|${PXR_CMAKE_DIR}|g' \
+        pxr/pxrConfig.cmake.in
+sed -i 's|${PXR_CMAKE_DIR}/include|/usr/include|g' \
+        pxr/pxrConfig.cmake.in
+sed -i 's|EXACT COMPONENTS|COMPONENTS|g' \
+        pxr/pxrConfig.cmake.in
 
 # Fix cmake directory destination
 sed -i 's|"${CMAKE_INSTALL_PREFIX}"|%{_libdir}/cmake/pxr|g' pxr/CMakeLists.txt
@@ -377,13 +372,6 @@ sed -i 's|"${CMAKE_INSTALL_PREFIX}"|%{_libdir}/cmake/pxr|g' pxr/CMakeLists.txt
 find . -type f -exec gawk '/embree3/ { print FILENAME }' '{}' '+' |
   xargs -r sed -r -i 's/(embree)3/\14/'
 
-# Fix uic-qt5 use
-cat > uic-wrapper <<'EOF'
-#!/bin/sh
-exec uic-qt5 -g python "$@"
-EOF
-chmod +x uic-wrapper
-
 
 %build
 # The necessary include path for Imath is not set everywhere it’s needed. It’s
@@ -441,7 +429,7 @@ extra_flags="${extra_flags-} -DTBB_SUPPRESS_DEPRECATED_MESSAGES=1"
      \
      -DPXR_VALIDATE_GENERATED_CODE=OFF \
      \
-     -DPYSIDEUICBINARY:PATH=${PWD}/uic-wrapper \
+     -DPYSIDEUICBINARY:PATH=pyside6-uic \
      -DPYSIDE_AVAILABLE=ON \
      -DPYTHON_EXECUTABLE=%{python3}
 %cmake_build
@@ -464,20 +452,6 @@ desktop-file-install                                    \
 # -DPXR_BUILD_EXAMPLES=OFF.
 rm -vrf '%{buildroot}%{_datadir}/usd/examples'
 
-# Fix installation path for some files
-mv %{buildroot}%{_prefix}/lib/python/pxr/*.* \
-        %{buildroot}%{python3_sitearch}/pxr/
-%if %{with usdview}
-mv %{buildroot}%{_prefix}/lib/python/pxr/Usdviewq/* \
-        %{buildroot}%{python3_sitearch}/pxr/Usdviewq/
-%endif
-
-# TODO: Can we figure out how to fix the installation path for
-# pxrTargets{,-release}.cmake, instead of moving them after the fact? We choose
-# to put them in the same directory as pxrConfig.cmake.
-find %{buildroot}%{_prefix}/cmake -mindepth 1 -maxdepth 1 -type f \
-    -exec mv -v '{}' '%{buildroot}%{_libdir}/cmake/pxr' ';'
-
 # Generate and install man pages. While generating the man pages might more
 # properly go in %%build, it is generally much easier to do this here in a
 # single step, using the entry points installed into the buildroot. This is