Replace isPresent where possible

[Sheikah45]

No description provided.

[codecov]

Codecov Report

Merging #2980 (0bf482a) into develop (984fae6) will increase coverage by 0.00%.
The diff coverage is 83.33%.

❗ Current head 0bf482a differs from pull request most recent head 0b9d0f7. Consider uploading reports for the commit 0b9d0f7 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             develop    #2980   +/-   ##
==========================================
  Coverage      62.07%   62.08%           
+ Complexity      4699     4696    -3     
==========================================
  Files            558      558           
  Lines          20286    20275   -11     
  Branches        1058     1053    -5     
==========================================
- Hits           12593    12588    -5     
+ Misses          7089     7087    -2     
+ Partials         604      600    -4     

Impacted Files	Coverage Δ
...a/com/faforever/client/chat/KittehChatService.java	72.86% <42.85%> (+0.28%)	⬆️
...aforever/client/chat/PrivateChatTabController.java	75.00% <75.00%> (+0.80%)	⬆️
.../com/faforever/client/ui/tray/TrayIconManager.java	85.71% <75.00%> (+1.71%)	⬆️
...main/java/com/faforever/client/mod/ModService.java	77.00% <80.00%> (+0.61%)	⬆️
...forever/client/chat/AbstractChatTabController.java	74.32% <100.00%> (-0.09%)	⬇️
...om/faforever/client/chat/ChannelTabController.java	88.95% <100.00%> (+0.48%)	⬆️
...main/java/com/faforever/client/map/MapService.java	70.44% <100.00%> (ø)
...ent/ui/tray/event/UpdateApplicationBadgeEvent.java	100.00% <100.00%> (ø)

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