Improve submission status's i18n strings

[int-y1]

Old code:

<b>{{ _('Batch ') }}#{{ 1 }}</b>
<b>{{ _('Case') }} #{{ 2 }}:</b>
<b>{{ _('Pretest') }} #{{ 3 }}:</b>
<b>{{ _('Test case') }} #{{ 4 }}:</b>

New code (this should be better for i18n):

<b>{{ _('Batch #%(id)d', id=1) }}</b>
<b>{{ _('Case #%(id)d:', id=2) }}</b>
<b>{{ _('Pretest #%(id)d:', id=3) }}</b>
<b>{{ _('Test case #%(id)d:', id=4) }}</b>

[codecov-commenter]

Codecov Report

Merging #1946 (26d2993) into master (966b37d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1946   +/-   ##
=======================================
  Coverage   46.46%   46.46%           
=======================================
  Files         236      236           
  Lines       13114    13114           
=======================================
  Hits         6093     6093           
  Misses       7021     7021           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 966b37d...26d2993. Read the comment docs.

[Ninjaclasher]

LGTM

[Xyene]

LGTM, thanks!