fix(gui): assign click event handler to button

re #4760

Signed-off-by: Pranav C <pranavxc@gmail.com>

packages/nc-gui/components/cell/Json.vue

@@ -134,8 +134,8 @@ useSelectedCellKeyupListener(active, (e) => {
         <div v-if="!isForm || isExpanded" class="flex flex-row">
           <a-button type="text" size="small" :onclick="clear"><div class="text-xs">Cancel</div></a-button>
 
-          <a-button type="primary" size="small" :disabled="!!error || localValue === vModel">
+          <a-button type="primary" size="small" :disabled="!!error || localValue === vModel" @click="onSave">
-            <div class="text-xs" @click="onSave">Save</div>
+            <div class="text-xs">Save</div>
           </a-button>
         </div>
       </div>