Fix project description rendering for org (#30587)

Fix #30263


![image](https://github.com/go-gitea/gitea/assets/2114189/41cabe6c-f94a-4874-a26f-d01bb89bb28c)

Co-authored-by: Giteabot <[email protected]>

Author: wxiaoguang

routers/web/org/projects.go

@@ -104,7 +104,7 @@ func Projects(ctx *context.Context) {
 	}
 
 	for _, project := range projects {
-		project.RenderedContent = templates.SanitizeHTML(project.Description) // FIXME: is it right? why not render?
+		project.RenderedContent = templates.RenderMarkdownToHtml(ctx, project.Description)
 	}
 
 	err = shared_user.LoadHeaderCount(ctx)
@@ -372,7 +372,7 @@ func ViewProject(ctx *context.Context) {
 		}
 	}
 
-	project.RenderedContent = templates.SanitizeHTML(project.Description) // FIXME: is it right? why not render?
+	project.RenderedContent = templates.RenderMarkdownToHtml(ctx, project.Description)
 	ctx.Data["LinkedPRs"] = linkedPrsMap
 	ctx.Data["PageIsViewProjects"] = true
 	ctx.Data["CanWriteProjects"] = canWriteProjects(ctx)