fix(input) : lisibilité des blocs de code dans InputRichText

Le merge #63 (squash) a écrasé le commit fix(input) sous un message
non conventionnel, donc semantic-release n'a rien publié. Commit vide
pour déclencher la release du correctif déjà présent dans le code.

app/components/malio/input/InputRichText.vue

@@ -316,6 +316,7 @@ const mergedReadonlyClass = computed(() =>
     'prose-headings:font-semibold prose-a:text-m-primary',
     'prose-code:rounded prose-code:bg-m-bg prose-code:px-1.5 prose-code:py-0.5 prose-code:before:content-none prose-code:after:content-none',
     'prose-pre:bg-m-text prose-pre:text-white',
+    '[&_pre_code]:bg-transparent [&_pre_code]:p-0 [&_pre_code]:text-inherit',
     props.editorClass,
   ),
 )
@@ -494,7 +495,7 @@ onMounted(() => {
     ],
     editorProps: {
       attributes: {
-        class: 'prose prose-sm max-w-none w-full p-3 focus:outline-none prose-headings:font-semibold prose-a:text-m-primary prose-code:rounded prose-code:bg-m-bg prose-code:px-1.5 prose-code:py-0.5 prose-code:before:content-none prose-code:after:content-none prose-pre:bg-m-text prose-pre:text-white',
+        class: 'prose prose-sm max-w-none w-full p-3 focus:outline-none prose-headings:font-semibold prose-a:text-m-primary prose-code:rounded prose-code:bg-m-bg prose-code:px-1.5 prose-code:py-0.5 prose-code:before:content-none prose-code:after:content-none prose-pre:bg-m-text prose-pre:text-white [&_pre_code]:bg-transparent [&_pre_code]:p-0 [&_pre_code]:text-inherit',
       },
     },
     onUpdate: () => {