fix: Small patches to nevermore libraries (#614)

Author: Quenty

src/animations/src/Shared/AnimationSlotPlayer.lua

@@ -254,6 +254,9 @@ function AnimationSlotPlayer.Play(
 	priority = priority or self._defaultAnimationPriority.Value
 	weight = weight or 1 -- We need to explicitly adjust the weight here
 
+	-- Make sure we stop our last animation fully
+	self._maid._current = nil
+
 	local topMaid = Maid.new()
 
 	local animationId = RbxAssetUtils.toRbxAssetId(id)

src/getmechanismparts/src/Shared/getMechanismParts.lua

@@ -86,8 +86,11 @@ return function(originParts: Instance | { BasePart }): { BasePart }
 			local part1
 			if joint:IsA("Constraint") then
 				if not IGNORE_CONSTRAINT_SET[joint.ClassName] then
-					part0 = joint.Attachment0.Parent
-					part1 = joint.Attachment1.Parent
+					local attachment0 = joint.Attachment0
+					local attachment1 = joint.Attachment1
+
+					part0 = if attachment0 then attachment0:FindFirstAncestorWhichIsA("BasePart") else nil
+					part1 = if attachment1 then attachment1:FindFirstAncestorWhichIsA("BasePart") else nil
 				end
 			else
 				part0 = (joint :: any).Part0

src/tie/src/Shared/Members/Signals/TieSignalInterface.lua

@@ -36,7 +36,13 @@ end
 function TieSignalInterface:Fire(...)
 	local bindableEvent = self:_getBindableEvent()
 	if not bindableEvent then
-		warn(string.format("[TieSignalInterface] - No bindableEvent for %q", self._memberDefinition:GetMemberName()))
+		warn(
+			string.format(
+				"[TieSignalInterface] - No bindableEvent for %q. Skipping fire.",
+				self._memberDefinition:GetMemberName()
+			)
+		)
+		return
 	end
 
 	bindableEvent:Fire(TieUtils.encode(...))