GraphQL: Add missing fields (#20646)

Went through the model and added all missing fields.

Except user.Password/MfaSecret/AuthData and session.TeamMembers.

```release-note
NONE
```

model/user.go

@@ -477,10 +477,34 @@ func (u *User) DeleteAt_() float64 {
 	return float64(u.DeleteAt)
 }
 
-func (u *User) LastPictureUpdateAt() float64 {
+func (u *User) UpdateAt_() float64 {
+	return float64(u.UpdateAt)
+}
+
+func (u *User) LastPictureUpdate_() float64 {
 	return float64(u.LastPictureUpdate)
 }
 
+func (u *User) LastPasswordUpdate_() float64 {
+	return float64(u.LastPasswordUpdate)
+}
+
+func (u *User) FailedAttempts_() float64 {
+	return float64(u.FailedAttempts)
+}
+
+func (u *User) LastActivityAt_() float64 {
+	return float64(u.LastActivityAt)
+}
+
+func (u *User) BotLastIconUpdate_() float64 {
+	return float64(u.BotLastIconUpdate)
+}
+
+func (u *User) TermsOfServiceCreateAt_() float64 {
+	return float64(u.TermsOfServiceCreateAt)
+}
+
 // PreUpdate should be run before updating the user in the db.
 func (u *User) PreUpdate() {
 	u.Username = SanitizeUnicode(u.Username)