[WIP]: Centered the animation position for completing rally

[sanao1006]

Issue

• close #1256

Overview (Required)

• (WIP!) Centered the animation position for completing the rally

Links

Screenshot (Optional if screenshot test is present or unrelated to UI)

Before	After

Movie (Optional)

Before	After

[github-actions[bot]]

Test Results

215 tests   215 :heavy_check_mark:  8m 55s :stopwatch:   11 suites      0 :zzz:   11 files        0 :x:

Results for commit f5f6eb36.

[sanao1006]

@takahirom Does this bot not attach screenshots if I don't implement AchievementsAnimationScreenTest?

[takahirom]

@sanao1006 I'm afraid that's the case, yes.