fix(move): 'scrolloff' cursor correction no longer handles folds properly (#32642)

Problem:  f58e7d5f passed `&botline` to `plines_win_full()`, (probably)
          assuming it would be set to the first line of the fold.
Solution: Reinstate call to `hasFolding()` to do so.

test/functional/ui/fold_spec.lua

@@ -2744,4 +2744,23 @@ describe('folded lines', function()
   describe('without ext_multigrid', function()
     with_ext_multigrid(false)
   end)
+
+  it("do not interfere with corrected cursor position for 'scrolloff'", function()
+    local screen = Screen.new(40, 7)
+    exec([[
+      call setline(1, range(10))
+      6,7fold
+      set scrolloff=1
+      norm L
+    ]])
+    screen:expect([[
+      0                                       |
+      1                                       |
+      2                                       |
+      3                                       |
+      ^4                                       |
+      {13:+--  2 lines: 5·························}|
+                                              |
+    ]])
+  end)
 end)