[Windows] Fix LineHeight values <1 having no effect by setting LineStackingStrategy to BlockLineHeight#31289

rmarinho merged 10 commits intodotnet:net10.0dotnet/maui:net10.0from

MartyIX:feature/2025-08-22-windows-Change_the_LineStackingStrategy_to_BlockLineHeight_for_LabelsMartyIX/maui:feature/2025-08-22-windows-Change_the_LineStackingStrategy_to_BlockLineHeight_for_LabelsCopy head branch name to clipboard