Fixes lint issues

...main/java/de/kuschku/quasseldroid/ui/chat/ChatActivity.kt

...id/ui/coresettings/networkserver/NetworkServerFragment.kt

...schku/quasseldroid/ui/setup/user/UserSetupNetworkSlide.kt

...rc/main/java/de/kuschku/quasseldroid/util/irc/IrcPorts.kt

...uasseldroid/util/missingfeatures/MissingFeaturesDialog.kt

.../main/res/layout/widget_advertisement_support_patreon.xml

app/src/main/res/layout/widget_chatmessage_action.xml

app/src/main/res/layout/widget_chatmessage_error.xml

app/src/main/res/layout/widget_chatmessage_info.xml

app/src/main/res/layout/widget_chatmessage_notice.xml

app/src/main/res/layout/widget_chatmessage_plain.xml

app/src/main/res/layout/widget_chatmessage_server.xml

app/src/main/res/values/strings.xml

lint.xml