The user's issue description, from the "It's slow" section, is not added to the ping displayed in the "Browser Console"

[Softvision-MariusComan]

[Affected versions]:

• Firefox 63.0.1 Build ID - 20181030165643
• Firefox 64.0b6 Build ID - 20181101155334

[Affected Platforms]:

• All Windows
• All Mac
• All Linux

[Prerequisites]:

• Have a new Firefox profile.
• Have the "extensions.webcompat-blipz-experiment.variation" string set to "little-sentiment" in the "about:config" page;
• Have the latest version of the "blipz" add-on (2.0.1) installed from here.
• Have the "Browser Console" opened.

[Steps to reproduce]:

1. Open the browser with the profile from prerequisites.
2. Navigate to "https://www.youtube.com/" and press the "Alt"+"Shift"+"P" keys.
3. Click the "I'm Having Problems" doorhanger's button.
4. Click the "It's Slow" button.
5. Type any text in the "Optional comment" field and click the "Submit" button.
6. Focus the browser console and observe the displayed ping.

[Expected result]:

• The user description is added to the displayed ping.

[Actual result]:

• The user description is missing from the displayed ping.

[Notes]:

• This issue is also reproducible on other websites from the "Blipz Sites" document.
• This issue is not reproducible if at step 4 the "Something Else" button is clicked instead.
• Attached a screen recording of the issue:

[miketaylr]

Please try to get a fix in for this @wisniewskit

[miketaylr]

@tdsmith said we don't want these in telemetry.