fix: only slide ptr when necessary #556

Job	Run time
Build Wasm	2m 30s
Build Web UI / Build Treemap WebUI	43s
Tests (ubuntu-latest, unit)	1m 15s
Tests (ubuntu-latest, integration-example)	2m 34s
Tests (ubuntu-latest, integration-real)	5m 15s
Tests (windows-latest, unit)	2m 53s
Tests (windows-latest, integration-example)	4m 22s
Tests (windows-latest, integration-real)	6m 31s
Tests (macos-13, unit)	2m 0s
Tests (macos-13, integration-example)	5m 20s
Tests (macos-13, integration-real)	8m 38s
Tests (macos-14, unit)	1m 26s
Tests (macos-14, integration-example)	3m 1s
Tests (macos-14, integration-real)	5m 11s
UI Tests	1m 12s
Build go-size-analyzer explorer	48s
Merge Go test results (ubuntu-latest)	2m 53s
Tests result	1s
Merge Go test results (windows-latest)	2m 33s
Merge Go test results (macos-13)	2m 49s
Merge Go test results (macos-14)	2m 43s
Deploy explorer to GitHub Pages	8s
	1h 4m 46s

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