fix(table): substract headers Y size from the total table size (charm…

…bracelet#434)

* fix(table): substract headers Y size from the total table size

* fix: change GetFrameSize to GetVerticalFrameSize and calc header height

* fix: remove GetVerticalFrameSize at all

* fix: account for headers in height WithHeight, SetHeight

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Co-authored-by: Maas Lalani <maas@lalani.dev>

table/table.go

@@ -163,7 +163,7 @@ func WithRows(rows []Row) Option {
 // WithHeight sets the height of the table.
 func WithHeight(h int) Option {
 	return func(m *Model) {
-		m.viewport.Height = h
+		m.viewport.Height = h - lipgloss.Height(m.headersView())
 	}
 }
 
@@ -314,7 +314,7 @@ func (m *Model) SetWidth(w int) {
 
 // SetHeight sets the height of the viewport of the table.
 func (m *Model) SetHeight(h int) {
-	m.viewport.Height = h
+	m.viewport.Height = h - lipgloss.Height(m.headersView())
 	m.UpdateViewport()
 }