[Bug 1752934] [NEW] Tabs not rendering in Thunderbird Preferences

[pumpkinbeer]

Public bug reported:

Possibly similar to #345834.
Under Edit->Preferences->Display The tabs for "Formatting, Tags, Advanced" do not look like tabs, just words.  Making it very difficult to realize they were tabs to be clicked on.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: thunderbird 1:52.6.0+build1-0ubuntu0.17.10.1
ProcVersionSignature: Ubuntu 4.13.0-36.40-generic 4.13.13
Uname: Linux 4.13.0-36-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC2:  dhuffman   1342 F.... pulseaudio
 /dev/snd/controlC1:  dhuffman   1342 F.... pulseaudio
 /dev/snd/pcmC0D0p:   dhuffman   1342 F...m pulseaudio
 /dev/snd/controlC0:  dhuffman   1342 F.... pulseaudio
BuildID: 20180124151331
Channel: Unavailable
CurrentDesktop: ubuntu:GNOME
Date: Fri Mar  2 12:00:42 2018
Extensions: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
InstallationDate: Installed on 2018-03-01 (1 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
IpRoute:
 default via 129.22.192.1 dev eno1 proto static metric 100 
 129.22.192.0/22 dev eno1 proto kernel scope link src 129.22.194.43 metric 100 
 169.254.0.0/16 dev eno1 scope link metric 1000
IwConfig:
 eno1      no wireless extensions.
 
 lo        no wireless extensions.
Locales: extensions.sqlite corrupt or missing
PrefSources: prefs.js
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=52.6.0/20180124151331 (In use)
RfKill:
 
RunningIncompatibleAddons: False
SourcePackage: thunderbird
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/11/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1304
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z97-PRO
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1304:bd07/11/2014:svnASUS:pnAllSeries:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnZ97-PRO:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: ASUS MB
dmi.product.name: All Series
dmi.product.version: System Version
dmi.sys.vendor: ASUS

** Affects: thunderbird (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug artful wayland-session

** Attachment added: "Screenshot from 2018-03-02 11-40-54.png"
   https://bugs.launchpad.net/bugs/1752934/+attachment/5067244/+files/Screenshot%20from%202018-03-02%2011-40-54.png

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https://bugs.launchpad.net/bugs/1752934

Title:
  Tabs not rendering in Thunderbird Preferences

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