Co-Authored-By: Mat M. <mathew1800@gmail.com>

402: function name should be Initialize2 (7.0.0+) not SetOperationMode
Follow by: https://switchbrew.org/wiki/LDN_services#IUserLocalCommunicationService

Available as a drop down within the configure graphics tab.

Same behavior, but without the need to explicitly loop through
everything manually.

Simplifies the overall function and also allows for it to become a
const-qualified member function.

Aligns the '=' to be consistent with the rest of the logs within this
source file.

A formatting specifier within Clear wasn't being used, which will cause
fmt to throw an exception. This fixes that.

We can just use the kernel member variable directly instead of going
through the system to obtain the same thing.

trivial change,
see https://switchbrew.org/wiki/Audio_services#IHardwareOpusDecoder

- Necessary for multiple service threads.

- This was holdover from citra.

Some instances were using cbuf34.offset instead of cbuf34.GetOffset().
This returned the an invalid offset. Address those instances and rename
offset to "shifted_offset" to avoid future bugs.