fix: init heap before random number seed on wasm platforms

This changes the order for initialization of the random number
seed generation on wasm platforms until after the heap has been
initialized. Should fix #5198

Signed-off-by: deadprogram <ron@hybridgroup.com>

src/runtime/runtime_wasmentry.go

@@ -34,8 +34,8 @@ func wasmEntryReactor() {
 	// Initialize the heap.
 	heapStart = uintptr(unsafe.Pointer(&heapStartSymbol))
 	heapEnd = uintptr(wasm_memory_size(0) * wasmPageSize)
-	initRand()
 	initHeap()
+	initRand()
 
 	if hasScheduler {
 		// A package initializer might do funky stuff like start a goroutine and