Fix edge case when filesPayload message is nil

[crimsonred]

fix(Fetch): fix paged history

Fix edge case in Fetch response when filesPayload message is nil.

[codecov-commenter]

Codecov Report

Merging #116 (782d9fb) into master (ceb3da6) will decrease coverage by 2.76%. The diff coverage is 74.18%.

@@            Coverage Diff             @@
##           master     #116      +/-   ##
==========================================
- Coverage   80.84%   78.07%   -2.77%     
==========================================
  Files          62       72      +10     
  Lines        6953     8398    +1445     
==========================================
+ Hits         5621     6557     +936     
- Misses       1156     1600     +444     
- Partials      176      241      +65     

Impacted Files	Coverage Δ
request_workers.go	80.85% <ø> (ø)
subscription_manager.go	74.49% <ø> (-1.25%)	:arrow_down:
telemetry_manager.go	87.04% <ø> (-9.71%)	:arrow_down:
time_request.go	77.14% <ø> (-1.65%)	:arrow_down:
token_manager.go	100.00% <ø> (+21.12%)	:arrow_up:
fire_request.go	69.78% <33.33%> (-2.07%)	:arrow_down:
publish_request.go	78.87% <37.50%> (-0.56%)	:arrow_down:
grant_common.go	57.30% <40.74%> (-10.83%)	:arrow_down:
add_channel_channel_group_request.go	83.33% <50.00%> (-1.81%)	:arrow_down:
add_channels_to_push_request.go	80.64% <50.00%> (-1.38%)	:arrow_down:
... and 63 more

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[crimsonred]

@client-engineering-bot release

[github-actions[bot]]

🚀 Release successfully completed 🚀