fix(proxy-state-tree): revert on proxy instead of target

Author: christianalfoni

packages/node_modules/proxy-state-tree/src/Proxyfier.ts

@@ -189,7 +189,7 @@ export class Proxifier {
               path: path,
               args: args,
               hasChangedValue: true,
-              revert: getArrayMutationRevert(method, target, args),
+              revert: getArrayMutationRevert(method, proxy, args),
             })
 
             if (process.env.NODE_ENV === 'production') {
@@ -230,9 +230,9 @@ export class Proxifier {
           hasChangedValue: true,
           revert: () => {
             if (existingValue === undefined) {
-              delete target[prop]
+              delete proxy[prop]
             } else {
-              target[prop] = existingValue
+              proxy[prop] = existingValue
             }
           },
         })
@@ -333,9 +333,9 @@ export class Proxifier {
             hasChangedValue: value !== target[prop],
             revert: () => {
               if (existingValue === undefined) {
-                delete target[prop]
+                delete proxy[prop]
               } else {
-                target[prop] = existingValue
+                proxy[prop] = existingValue
               }
             },
           },
@@ -368,7 +368,7 @@ export class Proxifier {
             args: [],
             hasChangedValue: true,
             revert: () => {
-              target[prop] = existingValue
+              proxy[prop] = existingValue
             },
           },
           objectChangePath