ssb: Show flagged messages similar to a message with a content warning.

apps/ssb/tf-message.js

@@ -988,7 +988,11 @@ class TfMessageElement extends LitElement {
 						style="cursor: pointer"
 						@click=${(x) => this.toggle_expanded(':cw')}
 					>
-						<p>${content.contentWarning}</p>
+						<p>
+							${this.message.flags
+								? `Caution: This message has been flagged ${this.message.flags.length} time${this.message.flags.length == 1 ? '' : 's'}.`
+								: content.contentWarning}
+						</p>
 						<p class="w3-small">
 							${this.is_expanded(':cw') ? 'Show less' : 'Show more'}
 						</p>
@@ -999,11 +1003,12 @@ class TfMessageElement extends LitElement {
 					<div @click=${this.body_click}>${body}</div>
 					${this.render_mentions()}
 				`;
-				let payload = content.contentWarning
-					? self.expanded[(this.message.id || '') + ':cw']
-						? html` ${content_warning} ${content_html} `
-						: content_warning
-					: content_html;
+				let payload =
+					this.message.flags || content.contentWarning
+						? self.expanded[(this.message.id || '') + ':cw']
+							? html` ${content_warning} ${content_html} `
+							: content_warning
+						: content_html;
 				return this.render_frame(html`
 					${this.render_header()}
 					<div class="w3-container">${payload}</div>