server : (webui) Fix Shift+Enter handling (#11609)

* Fix Shift+Enter handling

`exact` on the Enter handler means the message is not sent when Shift+Enter is pressed anyway

* build index.html.gz

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Co-authored-by: Xuan Son Nguyen <son@huggingface.co>

examples/server/webui/index.html

@@ -154,7 +154,6 @@
             placeholder="Type a message (Shift+Enter to add a new line)"
             v-model="inputMsg"
             @keydown.enter.exact.prevent="sendMessage"
-            @keydown.enter.shift.exact.prevent="inputMsg += '\n'"
             :disabled="isGenerating"
             id="msg-input"
             dir="auto"