feat: refactor slash commands system into more scalable system (#1510)

* WIP, but working

* Scaffolding

* testing and making it compile again

* move all commands to functions

* renaming to compile

* fix failing tests

idk how these werent failing before.  Seems to have been magic.

* move commandss into their namespace
make help command useful
fix mac error

TODO: remove the multiple not founds/ rework the structure to split into help and handling

* Just need to fill out the fields, but it's all there templated

* Add all aliases, register missing commands

* All help text

* remove test logs

* improvements

pass through added code for optimizations and cleanup as well as reduce the amount of scoping for readability and maintainability

* Update SlashCommandHandler.cpp

* only save command if it is a GM command

* simplify if checks

* remove broken delimiter

* Update SlashCommandHandler.cpp

* Update SlashCommandHandler.cpp

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Co-authored-by: David Markowitz <EmosewaMC@gmail.com>

tests/dCommonTests/dEnumsTests/MagicEnumTests.cpp

@@ -121,7 +121,7 @@ TEST(MagicEnumTest, eGameMessageTypeTest) {
 namespace {
 	template <typename T>
 	void AssertEnumArraySorted(const T& eArray) {
-		for (int i = 0; i < eArray->size(); ++i) {
+		for (int i = 0; i < eArray->size() - 1; ++i) {
 			const auto entryCurr = eArray->at(i).first;
 			LOG_EARRAY(eArray, i, entryCurr);
 			const auto entryNext = eArray->at(++i).first;