Separate desktop template for CMake

So it does not affect the translation

CMakeLists.txt

@@ -577,7 +577,7 @@ endif(uchardet_FOUND)
 if (NOT WIN32)
 set(AEGISUB_COMMAND "aegisub" CACHE STRING "The executable name of Aegisub")
 set_target_properties(Aegisub PROPERTIES OUTPUT_NAME aegisub)
-configure_file("packages/desktop/aegisub.desktop.template.in" "aegisub.desktop" @ONLY)
+configure_file("packages/desktop/aegisub.desktop.template.cmake.in" "aegisub.desktop" @ONLY)
 install(FILES "${CMAKE_BINARY_DIR}/aegisub.desktop" DESTINATION "share/applications")
 install(FILES "packages/desktop/16x16.png" DESTINATION "share/icons/hicolor/16x16/apps" RENAME aegisub.png)
 install(FILES "packages/desktop/22x22.png" DESTINATION "share/icons/hicolor/22x22/apps" RENAME aegisub.png)

packages/desktop/aegisub.desktop.template.cmake.in

@@ -0,0 +1,13 @@
+[Desktop Entry]
+Version=1.0
+Type=Application
+Name=Aegisub
+GenericName=Subtitle Editor
+Comment=Create and edit subtitles for film and videos.
+Exec=env GDK_BACKEND=x11 @AEGISUB_COMMAND@ %f
+TryExec=@AEGISUB_COMMAND@
+Icon=aegisub
+Terminal=false
+Categories=AudioVideo;AudioVideoEditing;
+MimeType=application/x-srt;text/plain;text/x-ass;text/x-microdvd;text/x-ssa;
+StartupNotify=true

packages/desktop/aegisub.desktop.template.in

@@ -1,9 +1,9 @@
 [Desktop Entry]
 Version=1.0
 Type=Application
-Name=Aegisub
-GenericName=Subtitle Editor
-Comment=Create and edit subtitles for film and videos.
+_Name=Aegisub
+_GenericName=Subtitle Editor
+_Comment=Create and edit subtitles for film and videos.
 Exec=env GDK_BACKEND=x11 @AEGISUB_COMMAND@ %f
 TryExec=@AEGISUB_COMMAND@
 Icon=aegisub