wacomtablet: Fix build with Qt5.15, pending new release (#104660)

Also update homepage

pkgs/tools/misc/wacomtablet/default.nix

···
-{ lib, mkDerivation, fetchurl, extra-cmake-modules, qtx11extras,
+{ lib, mkDerivation, fetchurl, fetchpatch, extra-cmake-modules, qtx11extras,
   plasma-workspace, libwacom, xf86_input_wacom
 }:
 
···
     url = "mirror://kde/stable/${pname}/${version}/${pname}-${version}.tar.xz";
     sha256 = "197pwpl87gqlnza36bp68jvw8ww25znk08acmi8bpz7n84xfc368";
   };
+  patches = [
+    (fetchpatch {
+      url = "https://invent.kde.org/system/wacomtablet/commit/4f73ff02b3efd5e8728b18fcf1067eca166704ee.patch";
+      sha256 = "0185gbh1vywfz8a3wnvncmzdk0dd189my4bzimkbh85rlrqq2nf8";
+    })
+  ];
 
   nativeBuildInputs = [ extra-cmake-modules ];
   buildInputs = [
···
       This module implements a GUI for the Wacom Linux Drivers and extends it
       with profile support to handle different button / pen layouts per profile.
     '';
-    homepage = "https://cgit.kde.org/wacomtablet.git/about/";
+    homepage = "https://invent.kde.org/system/wacomtablet";
     license = lib.licenses.gpl2;
     maintainers = [ lib.maintainers.Thra11 ];
     platforms = lib.platforms.linux;

pkgs/top-level/all-packages.nix

···
 
   vttest = callPackage ../tools/misc/vttest { };
 
-  wacomtablet = libsForQt514.callPackage ../tools/misc/wacomtablet { };
+  wacomtablet = libsForQt5.callPackage ../tools/misc/wacomtablet { };
 
   wasmer = callPackage ../development/interpreters/wasmer { };