revert: remove chat-bubbles patch — Bad MAC in logs is WhatsApp decryption/session, not UI

Dockerfile

@@ -23,7 +23,6 @@ WORKDIR /app/openclaw
 # 避免解密失败（Bad MAC）的消息被误计为已接收导致 lastInboundAt 有值但无法回复
 COPY patches /app/patches
 RUN if [ -f /app/patches/web-inbound-record-activity-after-body.patch ]; then patch -p1 < /app/patches/web-inbound-record-activity-after-body.patch; fi
-RUN if [ -f /app/patches/chat-bubbles-always-visible.patch ]; then patch -p1 < /app/patches/chat-bubbles-always-visible.patch; fi
 
 RUN pnpm install --frozen-lockfile
 RUN pnpm build

patches/chat-bubbles-always-visible.patch

@@ -1,26 +0,0 @@
-diff --git a/ui/src/styles/chat/grouped.css b/ui/src/styles/chat/grouped.css
-index c437432..894d171 100644
---- a/ui/src/styles/chat/grouped.css
-+++ b/ui/src/styles/chat/grouped.css
-@@ -126,6 +126,8 @@ img.chat-avatar {
- /* Minimal Bubble Design - dynamic width based on content */
- .chat-bubble {
-   position: relative;
-+  min-height: 24px;
-+  min-width: 48px;
-   display: inline-block;
-   border: 1px solid transparent;
-   background: var(--card);
-diff --git a/ui/src/ui/chat/grouped-render.ts b/ui/src/ui/chat/grouped-render.ts
-index 545b3df..71c0b27 100644
---- a/ui/src/ui/chat/grouped-render.ts
-+++ b/ui/src/ui/chat/grouped-render.ts
-@@ -256,7 +256,7 @@ function renderGroupedMessage(
-   }
- 
-   if (!markdown && !hasToolCards && !hasImages) {
--    return nothing;
-+    return html`<div class="${bubbleClasses}"><span class="chat-text chat-bubble-placeholder">（无内容）</span></div>`;
-   }
- 
-   return html`