packaging: use the upstream mesonCheckPhase for installCheckPhase

This gets us `--print-errorlogs` and `--timeout-multiplier=0` for free,
and also fixes the concatenation logic with `__structuredAttrs`.

Change-Id: I6a6a69643ea7224cb24508505c554143f83ae243

package.nix

@@ -450,13 +450,12 @@ stdenv.mkDerivation (finalAttrs: {
     "--print-errorlogs"
   ];
 
-  installCheckPhase = ''
-    runHook preInstallCheck
-    flagsArray=($mesonInstallCheckFlags "''${mesonInstallCheckFlagsArray[@]}")
-    meson test --no-rebuild "''${flagsArray[@]}"
-    runHook postInstallCheck
+  preInstallCheck = ''
+    mesonCheckFlags=("''${mesonInstallCheckFlags[@]}")
   '';
 
+  installCheckPhase = "mesonCheckPhase";
+
   separateDebugInfo = !hostPlatform.isStatic && !finalAttrs.dontBuild;
 
   strictDeps = true;