fix(virtual-core): use getMaxScrollOffset() - paddingEnd for scrollToIndex(last) end-align - #1276

{ "workflowData": { "owner": "TanStack", "repo": "virtual", "sha": "5a115afa9ff81305b9e60af6a2315b36e0f2e1ab", "ref": "1276", "headBranch": null }, "key": "ojkBSC8trK", "runId": 37888012850, "webhookDebug": { "action": "in_progress", "head_branch": "fix/scrolltoindex-paddingend", "head_repository_full_name": "dikshit-n/virtual", "full_name": "TanStack/virtual", "isPullRequest": true, "prNumber": 1276, "prNumberType": "number", "isNewPullRequest": true, "isOldPullRequest": false, "prKey": "dikshit-n/virtual:fix/scrolltoindex-paddingend", "oldPrDataHash": "Vf2JMBUqpY", "lookupKey": "dikshit-n/virtual:fix/scrolltoindex-paddingend", "data": { "owner": "TanStack", "repo": "virtual", "sha": "5a115afa9ff81305b9e60af6a2315b36e0f2e1ab", "ref": "1276", "headBranch": null } }, "currentCursor": { "sha": "49b397d8739dcc6a36e2de30346a463c52b127c0", "timestamp": 37171830009 }, "pkgPrNewVersion": "0.0.91" }