Merge pull request #11008 from overleaf/msm-fix-email-helper-group

[web] Prevent NPE parsing RFC5322 email groups

GitOrigin-RevId: 57fa7dc523b94c44afdd45a790ff6c3e62e45214

services/web/app/src/Features/Helpers/EmailHelper.js

@@ -17,7 +17,7 @@ function parseEmail(email, parseRfcAddress = false) {
 
   if (parseRfcAddress) {
     const result = parseOneAddress(email)
-    if (!result) {
+    if (!result?.address) {
       return null
     }
     email = result.address

services/web/test/unit/src/HelperFiles/EmailHelperTests.js

@@ -29,4 +29,10 @@ describe('EmailHelper', function () {
     expect(parseEmail(address)).to.equal(null)
     expect(parseEmail(address, true)).to.equal(null)
   })
+
+  it('should return null for a group of addresses', function () {
+    const address = 'Group name:test1@example.com,test2@example.com;'
+    expect(parseEmail(address)).to.equal(null)
+    expect(parseEmail(address, true)).to.equal(null)
+  })
 })