MM-9599 Paste image from clipboard (#3084)

* Show image paste menu

* Get pasted image

* Add more info for file

* Add custom text input and add extension

* Dismiss contextual menu after paste image

* Group image info together

* Add max file check

* Fix max file size text

* Add PropTypes

* Add support for gif and tiff

* add onchange null check

* Use onPaste event

* Move get image info logic

* Clean up listener when no observer

* Add android upload

* Copy file from google docs

* Clean up file after upload

* Prevent text pasted in textbox if it's content uri

* Rename paste file thread

* Move on paste listener logic

* Remove the redundant data in ios

* Get realpath of item

* Clean up

* Only download for image

* Rename to custom text input

* Update RNPasteableEditTextOnPasteListener.java

* Handle for download image failed

* Fix eslint

* Fix test

* Allow multiple images to be pasted

* Remove additional null check

* Add managed control for Android

* Disable only copy, cut and paste

* Accept image in Android edit text

* Add comment for custom text input

* Do not upload when more than max file

* Stop uplaod when exceed file size

* Fix crash when clip data is null

* Return error to JS

* Move download file logic

* Remove console

* Add some tests

* Add test for handleUploadImages

* Add test for file_upload_item

* Use ImageCacheManager to cache remote images

* Fix crashes from one note

* Remove commented code

* Update test

android/app/src/main/java/com/mattermost/rnbeta/RNPasteableTextInputPackage.java

@@ -0,0 +1,28 @@
+package com.mattermost.rnbeta;
+
+import com.facebook.react.ReactPackage;
+import com.facebook.react.bridge.NativeModule;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.uimanager.ViewManager;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import javax.annotation.Nonnull;
+
+public class RNPasteableTextInputPackage implements ReactPackage {
+    @Nonnull
+    @Override
+    public List<NativeModule> createNativeModules(@Nonnull ReactApplicationContext reactContext) {
+        return Collections.emptyList();
+    }
+
+    @Nonnull
+    @Override
+    public List<ViewManager> createViewManagers(@Nonnull ReactApplicationContext reactContext) {
+        return Arrays.asList(
+                new RNPasteableTextInputManager()
+        );
+    }
+}