minor #2940 [Icons] Some fixes on LiveComponent assets (Kocal)

This PR was squashed before being merged into the 2.x branch.

Discussion
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[Icons] Some fixes on LiveComponent assets

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Docs?         | no <!-- required for new features -->
| Issues        | Fix #... <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
| License       | MIT

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Fixing some incoherent things found in #2935, each commit are separated and contains a link to the comment explaing why

Commits
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c3be957 [Icons] Make `idiomorph` as a devDependency, since it's inlined in dist files (#2935 (comment))
a5bae94 [Icons] Move `assets/styles/live.css` to `assets/src/`, like other packages (#2935 (comment))

Author: Kocal

pnpm-lock.yaml

@@ -17,7 +17,7 @@
     "main": "dist/live_controller.js",
     "types": "dist/live_controller.d.ts",
     "config": {
-        "css_source": "styles/live.css"
+        "css_source": "src/live.css"
     },
     "scripts": {
         "build": "tsx ../../../bin/build_package.ts .",
@@ -44,9 +44,6 @@
             "@symfony/ux-live-component": "path:%PACKAGE%/dist/live_controller.js"
         }
     },
-    "dependencies": {
-        "idiomorph": "^0.3.0"
-    },
     "peerDependencies": {
         "@hotwired/stimulus": "^3.0.0"
     },
@@ -56,6 +53,7 @@
         "@testing-library/jest-dom": "catalog:",
         "@testing-library/user-event": "^13.1.9",
         "@types/node-fetch": "^2.6.2",
+        "idiomorph": "^0.3.0",
         "jsdom": "catalog:",
         "node-fetch": "^2.6.1",
         "tslib": "catalog:",

src/LiveComponent/assets/package.json

@@ -0,0 +1,5 @@
+[data-loading=""],
+[data-loading="show"],
+[data-loading*="|show"] {
+    display: none;
+}