simplify hysteresis logic

Dependencies

• [2] 3QQZ7W4E bring couple more globals back to the app level
• [3] LNUHQOGH start passing in Editor_state explicitly
• [4] LF7BWEG4 group all editor globals
• [5] KVHUFUFV reorg
• [6] AVTNUQYR basic test-enabled framework
• [7] UHB4GARJ left/right margin -> left/right coordinates
• [8] AD34IX2Z couple more tests
• [9] 2L5MEZV3 experiment: new edit namespace
• [*] OTIBCAUJ love2d scaffold

Change contents

• replacement in main.lua at line 20
  [2.49]→[2.49:75](∅→∅)
  − Last_resize_time = nil

  −
  [2.49]

  [2.75]
  + Last_resize_time = App.getTime()
• replacement in main.lua at line 143
  [2.184]→[2.184:321](∅→∅)
  − if Last_resize_time then

  − if App.getTime() - Last_resize_time < 0.1 then

  − return

  − else

  − Last_resize_time = nil

  − end
  [2.184]

  [2.321]
  + if App.getTime() < Last_resize_time + 0.1 then

  + return