Repro Steps

1. Click "New Pipeline"
2. Choose "Git"
3. Enter URL: https://bitbucket.org/cliffmeyers/jenkins-test-public-1.git
4. Press "Create"

Expected Results

• User is taken to Activity tab displaying two builds

Actual Results

• User is taken to the tab, but errors in console

Error

Uncaught (in promise) TypeError: Cannot read property 'self' of undefined
    at ActivityService.bunkerKey (blueocean.js:5397)
    at ActivityService.setItem (blueocean.js:5440)
    at executeAction (blueocean.js:63849)
    at ActivityService.res (blueocean.js:63821)
    at blueocean.js:5684

Notes
This error seems to occur because the method receives the ObservableValue instance, instead of the actual object (ObservableValue.value)