Nautilus stuck during search, could not establish a connection to tracker

[bizmate]

When starting Nautilus I am performing a search and get no response, the app is stuck/unresponsive and the search does not work.

When i start it in debug mode i see:
```
$ G_MESSAGES_DEBUG=all nautilus
(nautilus:1258): Gtk-DEBUG: 13:43:03.508: Connecting to session manager

(nautilus:1258): GLib-GObject-WARNING **: 13:43:03.573: Two different plugins tried to register 'NautilusDiscBurn'.

(nautilus:1258): GLib-GObject-CRITICAL **: 13:43:03.573: g_type_add_interface_dynamic: assertion 'G_TYPE_IS_INSTANTIATABLE (instance_type)' failed

(nautilus:1258): GLib-GObject-CRITICAL **: 13:43:03.573: g_type_add_interface_dynamic: assertion 'G_TYPE_IS_INSTANTIATABLE (instance_type)' failed
Initializing nautilus-dropbox 2020.03.04
** (nautilus:1258): DEBUG: 13:43:04.910: starting file info in 0x55c57dbc2460
** (nautilus:1258): DEBUG: 13:43:04.941: stopping file info in 0x55c57dbc2460

....

(nautilus:1258): Tracker-DEBUG: 13:43:23.014: Using backend = 'AUTO'
(nautilus:1258): Tracker-DEBUG: 13:43:23.014: Waiting for service to become available...
```

And when i kill tracker with `tracker reset -etracker reset -e` then the search suddenly works

I am not a dev but in this case I would timeout tracker for being unresponsive and just get on with the search without it.

# My platform
$ lsb_release -rd
Description: Ubuntu 18.04.5 LTS
Release: 18.04

# Nautilus

$ apt-cache policy nautilus
nautilus:
  Installed: 1:3.26.4-0~ubuntu18.04.5
  Candidate: 1:3.26.4-0~ubuntu18.04.5
  Version table:
 *** 1:3.26.4-0~ubuntu18.04.5 500
        500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     1:3.26.3-0ubuntu4 500
        500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages

# Tracker

$ apt-cache policy tracker
tracker:
  Installed: 2.0.3-1ubuntu4
  Candidate: 2.0.3-1ubuntu4
  Version table:
 *** 2.0.3-1ubuntu4 500
        500 http://gb.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
        100 /var/lib/dpkg/status