Reworked CAPLog to prevent race condition between it and CAPConfig.

ios/Capacitor/Capacitor/CAPLog.swift

@@ -1,19 +1,26 @@
 public class CAPLog {
-
-    public static let config = CAPConfig()
-
+    public static var enableLogging: Bool = true
+
+    private static var oneTimeConfigCheck: () -> () = {
+        // `dispatch_once` is not available since Swift 3. but, since static properties are implicitly lazy,
+        // this code will only execute once which is sufficient for our needs here. but since we need to do an
+        // async dispatch, there is a window of time where the default value will be valid before the config
+        // value(s) can be loaded.
+        DispatchQueue.main.async {
+            let config = CAPConfig()
+            if let configFlag = (config.getValue("ios.hideLogs") as? Bool) ?? (config.getValue("hideLogs") as? Bool) {
+                enableLogging = !configFlag
+            }
+        }
+        return {}
+    }()
+
     public static func print(_ items: Any..., separator: String = " ", terminator: String = "\n") {
-        if !self.hideLogs() {
+        oneTimeConfigCheck()
+        if enableLogging {
             for (itemIndex, item) in items.enumerated() {
                 Swift.print(item, terminator: itemIndex == items.count - 1 ? terminator : separator)
             }
         }
     }
-
-    public static func hideLogs() -> Bool {
-        if let hideLogs = (config.getValue("ios.hideLogs") as? Bool) ?? (config.getValue("hideLogs") as? Bool) {
-            return hideLogs
-        }
-        return false
-    }
 }