Rename internal getConstants method to prevent conflicts with RN's getConstants method (#5745)

Related to #4861

lib/android/app/src/main/java/com/reactnativenavigation/react/NavigationModule.java

@@ -79,7 +79,7 @@ public class NavigationModule extends ReactContextBaseJavaModule {
     }
     
     @ReactMethod
-    public void getConstants(Promise promise) {
+    public void getNavigationConstants(Promise promise) {
         ReactApplicationContext ctx = getReactApplicationContext();
         WritableMap constants = Arguments.createMap();
         constants.putString(Constants.BACK_BUTTON_JS_KEY, Constants.BACK_BUTTON_ID);

lib/ios/RNNBridgeModule.m

@@ -102,7 +102,7 @@ RCT_EXPORT_METHOD(getLaunchArgs:(NSString*)commandId :(RCTPromiseResolveBlock)re
 	resolve(args);
 }
 
-RCT_EXPORT_METHOD(getConstants:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
+RCT_EXPORT_METHOD(getNavigationConstants:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
 	resolve([Constants getConstants]);
 }
 

lib/src/adapters/Constants.ts

@@ -9,7 +9,7 @@ export interface NavigationConstants {
 
 export class Constants {
   static async get(): Promise<NavigationConstants> {
-    const constants: NavigationConstants = await NativeModules.RNNBridgeModule.getConstants();
+    const constants: NavigationConstants = await NativeModules.RNNBridgeModule.getNavigationConstants();
     return new Constants(constants);
   }