bugfix: obsolete location for attribute

Dependencies

• [2] IFTYOERM line.y -> line_cache.starty in a few more places
• [3] PTDO2SOT add state arg to schedule_save
• [4] QCPXQ2E3 add state arg to a few functions
• [5] LF7BWEG4 group all editor globals
• [6] MTJEVRJR add state arg to a few functions
• [7] LNUHQOGH start passing in Editor_state explicitly
• [8] 2L5MEZV3 experiment: new edit namespace

Change contents

• replacement in edit.lua at line 355
  [3.12265]→[2.744:834](∅→∅)
  − for _,line in ipairs(State.lines) do line.starty = nil end -- just in case we scroll
  [3.12265]

  [3.2587]
  + for _,line_cache in ipairs(State.line_cache) do line_cache.starty = nil end -- just in case we scroll
• replacement in edit.lua at line 399
  [3.13689]→[2.1159:1249](∅→∅)
  − for _,line in ipairs(State.lines) do line.starty = nil end -- just in case we scroll
  [3.13689]

  [3.13768]
  + for _,line_cache in ipairs(State.line_cache) do line_cache.starty = nil end -- just in case we scroll