fix(kompetenzen): revert ServiceDetailGrid to original light theme for UI consistency

Former-commit-id: 0ad718d43eaffa63bb9d1c2ddf698e94248a6764

.next/server/app/test.segments/test/__PAGE__.segment.rsc

@@ -1,5 +0,0 @@
-1:"$Sreact.fragment"
-2:I[67067,["/_next/static/chunks/113c8c54faea44a4.js","/_next/static/chunks/5336d64d11e7435f.js","/_next/static/chunks/870a2c2978ab4440.js"],"OutletBoundary"]
-3:"$Sreact.suspense"
-0:{"buildId":"sYS3T5f_N-m57ooiEd7PJ","rsc":["$","$1","c",{"children":[["$","div",null,{"children":["$","h1",null,{"children":"TEST PAGE WORKS"}]}],null,["$","$L2",null,{"children":["$","$3",null,{"name":"Next.MetadataOutlet","children":"$@4"}]}]]}],"loading":null,"isPartial":false}
-4:null