Add feature to select channels to log (#4302)

* Add checkbox for custom logging and table with channels to log on Logs page

* Add checkbox to enable and disable logging per channel

* Return from addMessage before logging if custom logging enabled and channel does not have logging enabled

* Use clang-format to fix formatting

* Add CHANGELOG.md entry

* Resolve PR comments

* Remove toggle for channels so any channel listed will be logged

* Move Only log channels listed below checkbox to just above table

* Fix formatting

* Re-order changelog

* ChannelLog constructor: Copy & move instead of const ref & copy

* ChannelLog::createEmpty: Curly brace initialize instead of repeating
name

* ChannelLog toString & createEmpty: nodiscard

* Use COUNT paradigm in model column

* Remove ChanneLoggingModel source file comments

* Use Column::Channel in getRowFromItem

* Rename `getItemFromRow` parameter and mark it as unused

* Curly brace initialize ChannelLog

* private & friend class the model

* Filter out channels to log using a set instead of iterating over a vector every time a message comes in

* Rename `ChannelLog::channel` member to `ChannelLog::channelName`

Also made it private

* mini comment on ChannelLog

Co-authored-by: Felanbird <41973452+Felanbird@users.noreply.github.com>
Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

src/CMakeLists.txt

@@ -119,6 +119,11 @@ set(SOURCE_FILES
         controllers/moderationactions/ModerationActionModel.cpp
         controllers/moderationactions/ModerationActionModel.hpp
 
+        controllers/logging/ChannelLog.cpp
+        controllers/logging/ChannelLog.hpp
+        controllers/logging/ChannelLoggingModel.cpp
+        controllers/logging/ChannelLoggingModel.hpp
+
         controllers/nicknames/NicknamesModel.cpp
         controllers/nicknames/NicknamesModel.hpp
         controllers/nicknames/Nickname.hpp