Fix memset size in IMEManager::Update_Candidate_List

[xezon]

Looks like memset had wrong size.

[tomsons26]

read https://learn.microsoft.com/en-us/windows/win32/api/imm/nf-imm-immgetcandidatelistcounta

[xezon]

@tomsons26 I still think it is wrong in Thyme. We memset too little of the allocated array. It should be sizeof struct * count, no?

Edit: Ah no.

It should be CANDIDATELIST *list = new CANDIDATELIST[count]; instead of CANDIDATELIST *list = new CANDIDATELIST[size];

[xezon]

Let's try this: #1154