Drop lodash from @pi/ui

The three functions it used (isEqual, some with an object as criterion
and capitalize) live in util/common/compare.ts with the same behaviour,
so apps no longer pull a CommonJS library that Node's ESM loader cannot
resolve by path. TaskStream's initial bundle goes down to 1.88 MB.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

libs/ui/ng-package.json

@@ -4,7 +4,7 @@
   "lib": {
     "entryFile": "src/index.ts"
   },
-  "allowedNonPeerDependencies": ["lodash", "luxon", "ngx-infinite-scroll"],
+  "allowedNonPeerDependencies": ["luxon", "ngx-infinite-scroll"],
   "assets": [
     {
       "glob": "**/*.scss",