Add warning indicator when selected files are excluded

- 'selected files' should show warning sign next to checkbox when uncheced

└── packages
    └── ui
        └── src
            └── components
                └── editor
                    ├── prompt
                    │   └── SelectedFiles
                    │       ├── SelectedFiles.module.scss
                    │       ├── SelectedFiles.stories.tsx
                    │       ├── SelectedFiles.tsx
                    │       └── index.ts
                    └── settings
                        ├── NavigationItemGroup
                        │   ├── NavigationItemGroup.module.scss
                        │   ├── NavigationItemGroup.tsx
                        │   └── index.ts
                        ├── NavigationItemSection
                        │   ├── NavigationItemSection.module.scss
                        │   ├── NavigationItemSection.tsx
                        │   └── index.ts
                        └── Notice
                            ├── Notice.module.scss
                            ├── Notice.tsx
                            └── index.ts

Author: robertpiosik

packages/ui/src/components/editor/prompt/SelectedFiles/SelectedFiles.module.scss

@@ -37,6 +37,17 @@
   }
 }
 
+.warning {
+  display: flex;
+  align-items: center;
+  color: var(--cwc-text-color-orange);
+  margin-left: 6px;
+
+  span::before {
+    font-size: 15px;
+  }
+}
+
 .count {
   font-size: 12px;
   color: var(--cwc-text-color-dimmed);

packages/ui/src/components/editor/prompt/SelectedFiles/SelectedFiles.tsx

@@ -26,6 +26,11 @@ export const SelectedFiles: React.FC<SelectedFiles.Props> = (props) => {
           on_change={props.on_toggle_include_selected_files}
           title={props.translations.attach_selected_files}
         />
+        {!props.include_selected_files && (
+          <div className={styles.warning}>
+            <span className="codicon codicon-warning" />
+          </div>
+        )}
         <label
           className={styles.left__label}
           onClick={() =>