[FunC] Require parenthesis in tricky bitwise precedence cases

Example: "flags & 0xFF != 0" is equivalent to "flags & 1",
most likely it's unexpected.
Example: "a << 2 + 1" (equal to "a << 3", probably unexpected).

The only way to suppress this error for the programmer
is to use parenthesis.

crypto/func/auto-tests/tests/invalid-bitwise-5.fc

@@ -0,0 +1,11 @@
+const MAX_SLIPAGE = 100;
+
+_ main(int jetton_amount, int msg_value, int slippage) {
+    if (0 == jetton_amount) | (msg_value == 0) | true | false | slippage > MAX_SLIPAGE {
+    }
+}
+
+{-
+@compilation_should_fail
+@stderr | has lower precedence than >
+-}