Fix emojis in a different way

Apparently the existing fix is difficult to ship for distros. This is an alternative way, that manually goes over every text and sets the font family appropriately.
Unfortunately, we need a textDocument for that, which labels don't have, meaning we have to use TextEdits instead...

CMakeLists.txt

@@ -44,10 +44,6 @@ if (NOT ANDROID)
     include(KDEClangFormat)
 endif()
 
-if(NEOCHAT_FLATPAK)
-    include(cmake/Flatpak.cmake)
-endif()
-
 ecm_setup_version(${PROJECT_VERSION}
     VARIABLE_PREFIX NEOCHAT
     VERSION_HEADER ${CMAKE_CURRENT_BINARY_DIR}/neochat-version.h
@@ -75,6 +71,13 @@ set_package_properties(Qt${QT_MAJOR_VERSION}Keychain PROPERTIES
     PURPOSE "Secure storage of account secrets"
 )
 
+
+find_package(ICU 61.0 COMPONENTS uc)
+set_package_properties(ICU PROPERTIES
+    TYPE REQUIRED
+    PURPOSE "Unicode library"
+)
+
 if(ANDROID)
     find_package(OpenSSL)
     set_package_properties(OpenSSL PROPERTIES