chore: Allow more filetypes in uploads (#3557)

- Allowing the ability to upload more common file types like zip, Docx etc
- Fallback for image bubble when the image URL isn't available

fixes: #3270

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Nithin David <1277421+nithindavid@users.noreply.github.com>

app/javascript/dashboard/components/widgets/conversation/bubble/Image.vue

@@ -1,6 +1,6 @@
 <template>
   <div class="image message-text__wrap">
-    <img :src="url" @click="onClick" />
+    <img :src="url" @click="onClick" @error="onImgError()" />
     <woot-modal :full-width="true" :show.sync="show" :on-close="onClose">
       <img :src="url" class="modal-image" />
     </woot-modal>
@@ -9,6 +9,7 @@
 
 <script>
 export default {
+  components: {},
   props: {
     url: {
       type: String,
@@ -27,6 +28,9 @@ export default {
     onClick() {
       this.show = true;
     },
+    onImgError() {
+      this.$emit('error');
+    },
   },
 };
 </script>