Added missing headers on user packages page (#21172)

User packages page had missing tabs.


![packages-2](https://user-images.githubusercontent.com/183965/190411160-c8138a8c-dbc4-4cf1-af2c-52497a10cee8.png)

![packages-1](https://user-images.githubusercontent.com/183965/190411155-af2cb398-c9a0-4fcc-adcd-1711aaa28345.png)

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Lauris BH <lauris@nix.lv>

templates/user/overview/header.tmpl

@@ -56,6 +56,22 @@
 						</a>
 					</div>
 				{{end}}
+			{{else}}
+				<a class='{{if eq .TabName "activity"}}active {{end}}item' href="{{.ContextUser.HomeLink}}?tab=activity">
+					{{svg "octicon-rss"}} {{.locale.Tr "user.activity"}}
+				</a>
+				{{if not .DisableStars}}
+					<a class='{{if eq .TabName "stars"}}active {{end}}item' href="{{.ContextUser.HomeLink}}?tab=stars">
+						{{svg "octicon-star"}} {{.locale.Tr "user.starred"}}
+						{{if .Owner.NumStars}}
+							<div class="ui primary label">{{.Owner.NumStars}}</div>
+						{{end}}
+					</a>
+				{{else}}
+					<a class='{{if eq .TabName "watching"}}active {{end}}item' href="{{.ContextUser.HomeLink}}?tab=watching">
+						{{svg "octicon-eye"}} {{.locale.Tr "user.watched"}}
+					</a>
+				{{end}}
 			{{end}}
 
 		</div>