net-misc/megasync: add 5.10.0.2

Reintroduce dolphin USE flag with Qt6 support.

Signed-off-by: Takuya Wakazono <pastalian46@gmail.com>

net-misc/megasync/files/megasync-5.10.0.2-link-zlib.patch

@@ -0,0 +1,30 @@
+Add missing zlib links.
+```
+/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/bin/ld: src/MEGASync/mega/tools/gfxworker/liblibgfxworker.a(logger.cpp.o): undefined reference to symbol 'gzputs'
+```
+--- a/src/MEGASync/control/control.cmake
++++ b/src/MEGASync/control/control.cmake
+@@ -100,6 +100,9 @@ set(DESKTOP_APP_CONTROL_SOURCES
+     ${CMAKE_CURRENT_LIST_DIR}/UsersUpdateListener.cpp
+ )
+ 
++find_package(ZLIB REQUIRED)
++target_link_libraries(${ExecutableTarget} PRIVATE ZLIB::ZLIB)
++
+ target_sources(${ExecutableTarget}
+     PRIVATE
+     ${DESKTOP_APP_CONTROL_HEADERS}
+--- a/src/MEGASync/mega/tools/gfxworker/CMakeLists.txt
++++ b/src/MEGASync/mega/tools/gfxworker/CMakeLists.txt
+@@ -70,9 +70,11 @@ add_executable(gfxworker
+     src/main.cpp
+ )
+ 
++find_package(ZLIB REQUIRED)
+ target_link_libraries(gfxworker
+     PRIVATE
+     libgfxworker
++    ZLIB::ZLIB
+ )
+ 
+ # Adjust compilation flags for warnings and errors for gfxworker