Fix app links icon upload

dashboard/src/components/ImagePicker.vue

@@ -28,6 +28,7 @@ const busy = ref(false);
 
 watchEffect(() => {
   internalSrc.value = props.src;
+  isChanged.value = false;
 });
 
 function dataURLtoFile(dataURL, filename) {
@@ -70,6 +71,7 @@ async function onSave() {
 function onCancel() {
   internalSrc.value = props.src || props.fallbackSrc;
   isChanged.value = false;
+  emit('changed', 'src');
 }
 
 function onEdit() {
@@ -77,14 +79,17 @@ function onEdit() {
 }
 
 async function onUnset() {
-  if (typeof props.unsetHandler !== 'function') return;
-
   busy.value = true;
 
-  const error = await props.unsetHandler();
-  if (!error) isChanged.value = false;
+  if (typeof props.unsetHandler === 'function') {
+    const error = await props.unsetHandler();
+    if (!error) isChanged.value = false;
+  } else {
+    isChanged.value = false;
+  }
 
   internalSrc.value = props.fallbackSrc;
+  emit('changed', 'fallback');
 
   busy.value = false;
 }
@@ -142,7 +147,7 @@ function onChanged(event) {
 
       internalSrc.value = canvas.toDataURL('image/png');
       isChanged.value = true;
-      emit('changed', file); // <— notify parent
+      emit('changed', file);
     };
 
     image.src = fr.result;
@@ -178,6 +183,8 @@ function onError() {
         <template v-else-if="mode === 'simple'">
           <div class="image-picker-actions">
             <Button @click.stop="onEdit" tool small icon="fa fa-pencil-alt" :disabled="busy"/>
+            <Button v-if="isChanged" @click.stop="onCancel" secondary tool small icon="fa fa-undo" :disabled="busy"/>
+            <Button v-else-if="internalSrc !== fallbackSrc" @click.stop="onUnset" tool small icon="fa fa-trash" :loading="busy" :disabled="busy"/>
           </div>
         </template>
       </div>