Fix SQL Query for SearchTeam (#20844) (#20872)

Backport #20844

Currently the function takes in the UserID option, but isn't being used within the SQL query. This patch fixes that by checking that only teams are being returned that the user belongs to.
 
Fix  #20829

routers/web/org/teams.go

@@ -339,7 +339,7 @@ func SearchTeam(ctx *context.Context) {
 	}
 
 	opts := &organization.SearchTeamOptions{
-		UserID:      ctx.Doer.ID,
+		// UserID is not set because the router already requires the doer to be an org admin. Thus, we don't need to restrict to teams that the user belongs in
 		Keyword:     ctx.FormTrim("q"),
 		OrgID:       ctx.Org.Organization.ID,
 		IncludeDesc: ctx.FormString("include_desc") == "" || ctx.FormBool("include_desc"),