[Strings] Add more number formatters (#2873)

* [Strings] Add more number formatters

# Notes
- Adds `Strings::ToUnsignedInt` for `uint32` support.
- Adds `Strings::ToBigInt` for `int64` support.
- Adds `Strings::ToUnsignedBigInt` for `uint64` support.
- Adds `Strings::ToFloat` for `float` support.
- Replaces all `std::stoi` references with `Strings::ToInt`.
- Replaces all `atoi` references with `Strings::ToInt`.
- Replaces all `std::stoul` references with `Strings::ToUnsignedInt`.
- Replaces all `atoul` references with `Strings::ToUnsignedInt`.
- Replaces all `std::stoll` references with `Strings::ToBigInt`.
- Replaces all `atoll` references with `Strings::ToBigInt`.
- Replaces all `std::stoull` references with `Strings::ToUnsignedBigInt`.
- Replaces all `atoull` references with `Strings::ToUnsignedBigInt`.
- Replaces all `std::stof` references with `Strings::ToFloat`.

* [Strings] Add more number formatters

- Adds `Strings::ToUnsignedInt` for `uint32` support.
- Adds `Strings::ToBigInt` for `int64` support.
- Adds `Strings::ToUnsignedBigInt` for `uint64` support.
- Adds `Strings::ToFloat` for `float` support.
- Replaces all `std::stoi` references with `Strings::ToInt`.
- Replaces all `atoi` references with `Strings::ToInt`.
- Replaces all `std::stoul` references with `Strings::ToUnsignedInt`.
- Replaces all `atoul` references with `Strings::ToUnsignedInt`.
- Replaces all `std::stoll` references with `Strings::ToBigInt`.
- Replaces all `atoll` references with `Strings::ToBigInt`.
- Replaces all `std::stoull` references with `Strings::ToUnsignedBigInt`.
- Replaces all `atoull` references with `Strings::ToUnsignedBigInt`.
- Replaces all `std::stof` references with `Strings::ToFloat`.

* Rebase cleanup

* Changes/benchmarks/tests

---------

Co-authored-by: Akkadius <akkadius1@gmail.com>

client_files/export/main.cpp

@@ -183,7 +183,7 @@ bool SkillUsable(SharedDatabase *db, int skill_id, int class_id)
 	}
 
 	auto row = results.begin();
-	if (row[0] && atoi(row[0]) > 0) {
+	if (row[0] && Strings::ToInt(row[0]) > 0) {
 		return true;
 	}
 
@@ -207,7 +207,7 @@ int GetSkill(SharedDatabase *db, int skill_id, int class_id, int level)
 	}
 
 	auto row = results.begin();
-	return atoi(row[0]);
+	return Strings::ToInt(row[0]);
 }
 
 void ExportSkillCaps(SharedDatabase *db)