switch freehand hotkey to eliminate conflict with search

Dependencies

• [2] HOSPP2AN crisp font rendering
• [3] DXT4QTAH a few more integer coordinates
• [4] XNFTJHC4 split keyboard handling between Text and Drawing
• [5] VHQCNMAR several more modules
• [*] BLWAYPKV extract a module

Change contents

• replacement in help.lua at line 20
  [3.7341]→[2.5584:5675](∅→∅)
  − love.graphics.print("* Press 'ctrl+f' to switch to drawing freehand strokes", 16+30,y)
  [3.7341]

  [2.5675]
  + love.graphics.print("* Press 'ctrl+p' to switch to drawing freehand strokes", 16+30,y)
• replacement in drawing.lua at line 358
  [3.5258]→[2.8556:8612](∅→∅)
  − if chord == 'C-f' and not love.mouse.isDown('1') then
  [3.5258]

  [3.5820]
  + if chord == 'C-p' and not love.mouse.isDown('1') then