Minor UI improvements

app/build.gradle.kts

...rc/main/java/de/kuschku/quasseldroid_ng/QuasseldroidNG.kt

...de/kuschku/quasseldroid_ng/persistence/QuasselDatabase.kt

...java/de/kuschku/quasseldroid_ng/service/QuasselService.kt

...va/de/kuschku/quasseldroid_ng/settings/BacklogSettings.kt

...main/java/de/kuschku/quasseldroid_ng/settings/Settings.kt

...n/java/de/kuschku/quasseldroid_ng/ui/chat/ChatActivity.kt

...ava/de/kuschku/quasseldroid_ng/ui/chat/ToolbarFragment.kt

...chku/quasseldroid_ng/ui/chat/buffers/BufferListAdapter.kt

...uasseldroid_ng/ui/chat/buffers/BufferViewConfigAdapter.kt

...asseldroid_ng/ui/chat/buffers/BufferViewConfigFragment.kt

...chku/quasseldroid_ng/ui/chat/input/AutoCompleteAdapter.kt

...n/java/de/kuschku/quasseldroid_ng/ui/chat/input/Editor.kt

...de/kuschku/quasseldroid_ng/ui/chat/input/FormatHandler.kt

...ku/quasseldroid_ng/ui/chat/input/MessageHistoryAdapter.kt

...uschku/quasseldroid_ng/ui/chat/messages/MessageAdapter.kt

...u/quasseldroid_ng/ui/chat/messages/MessageListFragment.kt

...uasseldroid_ng/ui/chat/messages/QuasselMessageRenderer.kt

.../kuschku/quasseldroid_ng/ui/chat/nicks/NickListAdapter.kt

...kuschku/quasseldroid_ng/ui/chat/nicks/NickListFragment.kt