Total balance does not include old promotions

[kylehickinson]

Duplicate of brave/brave-browser#9796

[srirambv]

Verification passed on iPhone XR with iOS 13.5 running 1.16.2(20.5.15.21)

• Installed 1.16.1(20.5.12.20) and enabled rewards
• Imported wallet, balance showed 17BAT
  
• Upgraded to 1.16.2, balance updated to 33 BAT
  
• Tip a verified publisher, balance reduced accordingly and shows in the panel
  
• Tip an unverified publisher, balance doesn't change, shows the message for an unverified publisher, pending contributions lists the site correctly
  

---

Verification passed on iPad Pro with iOS 13.4.5 running 1.16.2(20.5.15.21)

• Installed 1.16.1(20.5.12.20) and enabled rewards
• Imported wallet, balance showed 17BAT
  
• Upgraded to 1.16.2, balance updated to 33 BAT
  
• Tip a verified publisher, balance reduced accordingly and shows in the panel
  
• Tip an unverified publisher, balance doesn't change, shows the message for an unverified publisher, pending contributions lists the site correctly
  

---

Verification passed on iPhone 8 with iOS 13.3.1 running 1.16.2(20.5.15.21)

• Installed 1.16.1(20.5.12.20) and enabled rewards

• Imported wallet, balance showed 17BAT
  

• Upgraded to 1.16.2, balance updated to 33 BAT
  

• Tip a verified publisher, balance reduced accordingly and shows in the panel
  
  

• Tip an unverified publisher, balance doesn't change, shows the message for an unverified publisher, pending contribution lists the site correctly
  
  

---

Verification passed on iPad 5th Gen with iOS 12 running 1.16.2 (20.05.15.21)

• Installed 1.16.1(20.5.12.20) and enabled rewards

• Imported wallet, balance showed 17BAT
  

• Upgraded to 1.16.2, balance updated to 33 BAT
  

• Tip a verified publisher, balance reduced accordingly and shows in the panel
  
  

• Tip an unverified publisher, balance doesn't change, shows the message for an unverified publisher, pending contributions lists the site correctly
  
  

---

Verification passed on iPad mini with iOS 13 running 1.16.2 (20.05.15.21)

• Installed 1.16.1(20.5.12.20) and enabled rewards

• Imported wallet, balance showed 17BAT
  

• Upgraded to 1.16.2, balance updated to 33 BAT
  

• Tip a verified publisher, balance reduced accordingly and shows in the panel
  
  

• Tip an unverified publisher, balance doesn't change, shows the message for an unverified publisher, pending contributions lists the site correctly
  
  

---

Verification passed on iPhone SE (iOS 12.4) running 1.16.2(20.5.15.21)

• Installed 1.16.1(20.5.12.20) and enabled rewards
• Imported wallet, balance showed 17BAT
  
• Upgraded to 1.16.2, balance updated to 33 BAT
  
• Tip a verified publisher, balance reduced accordingly and shows in the panel
  
• Tip a verified publisher, balance reduced accordingly and shows in the panel