v1.6.4

• BREAKING CHANGE: Add InputOptions. onTextChanged, onTextFieldTap and sendButtonVisibilityMode are now under InputOptions class, just move the same values to inputOptions: InputOptions().
• Add inputClearMode to InputOptions. Allows you to disable automatic text field clear on submit.
• Add textEditingController to InputOptions. Allows you to provide a custom editing contoller, but preferably use InputTextFieldController we export from the library, if you want to use it to programmatically clear text field or similar.
• Add keyboardDismissBehavior.
• Improve image gallery - code optimizations and close button fix. Thanks @felixgabler for the PR!
• Fix input container changing its size. Thanks @joj3000 for the PR!
• Fix enter key not moving text to a new line on web. Thanks @UmairSaqibBhutta for reporting!
• Add TextMessageOptions. Thanks @felixgabler for the PR!
• Update dependencies