Use Animator.StringToHash for repeated Animator method calls

[sailro]

-partially- fixes #49

Checklist

• I have read the Contribution Guide ;
• There is an approved issue describing the change when contributing a new analyzer or suppressor ;
• I have added tests that prove my fix is effective or that my feature works ;
• I have added necessary documentation (if appropriate) ;

Short description of what this resolves:

Use Animator.StringToHash for repeated Animator method calls

[sailro]

@copilot review this

[Copilot]

@sailro I've opened a new pull request, #439, to work on those changes. Once the pull request is ready, I'll request review from you.