fix(timer): re-enable onEnd after stopping a timer

Resolves #667.

imports/timer/shared.lua

@@ -31,7 +31,6 @@ function timer:constructor(time, onEnd, async)
     self.private.startTime = 0
     self.private.paused = false
     self.private.onEnd = onEnd
-    self.private.triggerOnEnd = true
 
     self:start(async)
 end
@@ -42,22 +41,22 @@ function timer:start(async)
     self.private.startTime = GetGameTimer()
 
     local function tick()
-        while self:getTimeLeft('ms') > 0 do
-            while self:isPaused() do
-                Wait(0)
-            end
+        while self:isPaused() or self:getTimeLeft('ms') > 0 do
             Wait(0)
         end
-        self:onEnd()
+
+        if self.private.triggerOnEnd then
+            self:onEnd()
+        end
+
+        self.private.triggerOnEnd = true
     end
 
-    if async then
-        Citizen.CreateThreadNow(function()
-            tick()
-        end)
-    else
+    if not async then return tick() end
+
+    Citizen.CreateThreadNow(function()
         tick()
-    end
+    end)
 end
 
 function timer:onEnd()
@@ -70,14 +69,17 @@ end
 
 function timer:forceEnd(triggerOnEnd)
     if self:getTimeLeft('ms') <= 0 then return end
-    self.private.triggerOnEnd = triggerOnEnd
+
     self.private.paused = false
     self.private.currentTimeLeft = 0
+    self.private.triggerOnEnd = triggerOnEnd
+
     Wait(0)
 end
 
 function timer:pause()
     if self.private.paused then return end
+
     self.private.currentTimeLeft = self:getTimeLeft('ms') --[[@as number]]
     self.private.paused = true
 end