Taskwarrior and Timewarrior not integrating

#### To report a bug...

* What command(s) did you run?

`cp /usr/share/doc/timew/ext/on-modify.timewarrior ~/Documents/Sync/.task/hooks/on-modify.timewarrior`

`task diagnostics`

This returns (in the hooks section):

```
Hooks
System: Enabled
Location: /home/jake/Documents/Sync/.task/hooks
Active: on-add.blocks_attr.py (executable) (symlink)
on-launch.blocks_attr.py (executable) (symlink)
on-modify.blocks_attr.py (executable)
on-modify.timewarrior (executable)
Inactive:
```

`task add test task`
`task +LATEST start`

This returns:

```
Starting task 'test task'.
Started 1 task.
```

`task _get $(task +LATEST uuids).start`

This returns the current timestamp.

`timew`

This returns:

`There is no active time tracking`

* What did you expect to happen?

Timewarrior and Taskwarrior integration.

* What actually happened?

No integration.

* Paste the output of the ```task diag``` command.

```
~ > task diag
TASKRC override: /home/jake/.config/task/taskrc
TASKDATA override: /home/jake/Documents/Sync/.task

task 2.5.3
Platform: Linux

Compiler
Version: 10.2.0
Caps: +stdc +stdc_hosted +LP64 +c8 +i32 +l64 +vp64 +time_t64
Compliance: C++17

Build Features
Built: Feb 2 2021 23:45:39
CMake: 3.19.4
libuuid: libuuid + uuid_unparse_lower
libgnutls: 3.7.0
Build type:

Configuration
File: /home/jake/.config/task/taskrc (found), 4920 bytes, mode 100644
Data: /home/jake/Documents/Sync/.task (found), dir, mode 40755
TASKRC: /home/jake/.config/task/taskrc
TASKDATA: /home/jake/Documents/Sync/.task
Locking: Enabled
GC: Enabled
$VISUAL: vim
Server:
CA: -
Certificate: -
Key: -
Trust: strict
Ciphers: NORMAL
Creds:

Hooks
System: Enabled
Location: /home/jake/Documents/Sync/.task/hooks
Active: on-add.blocks_attr.py (executable) (symlink)
on-launch.blocks_attr.py (executable) (symlink)
on-modify.blocks_attr.py (executable)
on-modify.timewarrior (executable)
Inactive:

Tests
Terminal: 210x42
Dups: Scanned 623 tasks for duplicate UUIDs:
No duplicates found
Broken ref: Scanned 623 tasks for broken references:
No broken references found
```

Output of `timew diagnostics`:

```
timew 1.4.3
Platform: Linux

Compiler:
Version: 11.1.0
Caps: +stdc +stdc_hosted +LP64 +c8 +i32 +l64 +vp64 +time_t64
Compliance: C++11

Build Features
Built: Jun 23 2021 08:10:20
CMake: 3.20.5
Build type: release

Configuration
TIMEWARRIORDB: /home/jake/Documents/Sync/.time
Cfg: /home/jake/Documents/Sync/.time/timewarrior.cfg (-rw- 55 bytes)
Database: /home/jake/Documents/Sync/.time (drwx 4096 bytes)
$VISUAL: vim
Color theme: dark_blue.theme: A dark blue theme.
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
32 33 34 35 36 37 38 39 40 41

Extensions
Location: /home/jake/Documents/Sync/.time/extensions (drwx 4096 bytes)
/home/jake/Documents/Sync/.time/extensions/totals.py (-rwx 5440 bytes)
```

Output of `env | grep -e TASK -e TIMEWARRIOR`:

```
TASKDATA=/home/jake/Documents/Sync/.task
TASKRC=/home/jake/.config/task/taskrc
TIMEWARRIORDB=/home/jake/Documents/Sync/.time
```