fix : use MalioButton/MalioButtonIcon everywhere, fix env count and fixture URLs

- Replace all native HTML buttons with MalioButton and MalioButtonIcon components
- Add app:read group on environments relation to fix 0 count in list
- Fix fixture URLs (http for apps, https for gitea)
- Maintenance icons: alert-outline (activate) / shield-check-outline (deactivate)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/components/ui/AppModal.vue

@@ -20,12 +20,13 @@
                             <h2 class="text-lg font-bold tracking-tight text-neutral-900">
                                 <slot name="title" />
                             </h2>
-                            <button
-                                class="rounded-md p-1 text-neutral-400 hover:bg-neutral-100 hover:text-neutral-600"
+                            <MalioButtonIcon
+                                icon="mdi:close"
+                                aria-label="Fermer"
+                                variant="ghost"
+                                icon-size="20"
                                 @click="close"
-                            >
-                                <Icon name="mdi:close" size="20" />
-                            </button>
+                            />
                         </div>
                     </div>
 
@@ -38,19 +39,16 @@
                     <div class="border-t border-neutral-100 px-4 py-4 sm:px-8">
                         <div class="flex justify-end gap-3">
                             <slot name="footer">
-                                <button
-                                    type="button"
-                                    class="rounded-lg border border-neutral-300 px-4 py-2 text-sm font-semibold text-neutral-700 hover:bg-neutral-50"
-                                    @click="close"
-                                >
-                                    {{ cancelLabel }}
-                                </button>
                                 <MalioButton
+                                    :label="cancelLabel"
+                                    variant="tertiary"
+                                    @click="close"
+                                />
+                                <MalioButton
+                                    :label="submitLabel"
                                     :loading="loading"
                                     @click="$emit('submit')"
-                                >
-                                    {{ submitLabel }}
-                                </MalioButton>
+                                />
                             </slot>
                         </div>
                     </div>