Goat rulings

[edo9300]

• [x] attack replays can be used later (9e536663b68c1bed573961e4e90d2dad10b8c6bb)
• [x] continuous traps effects cannot be activated until the end of the chain they're flipped in (3030b33b7b2e30bf67a2e44d4157978631443b56)
• [x] searching the deck doesn't require knowledge checking (https://github.com/ProjectIgnis/CardScripts/tree/goat-deck-search)
• [x] one chain per damage sub step (14b6829cf26aeb5e8a9a5af5f260336b784881e7)
• [x] to be equipped monster not sent to the grave if equip target is no longer valid (c40a72d3d200ef0098cf8833ecff420643ea9407)
• [x] can change control if the player changed (https://github.com/edo9300/ygopro-core/pull/116)
• [x] 0 atk vs 0 atk both monsters are destroyed (c40a72d3d200ef0098cf8833ecff420643ea9407)
• [x] mr4 ocg triggers rulings, with effects also activateable when the card is no longer public knowledge as well (b6e56dda3d81ad34329806b9d0073838b88c65b6)
• [x] after damage calculation substep actually separated sub steps

Rulings referenced from https://www.goatformat.com/home/category/rules