[RTE]: incorrect link editing in Safari

## Case 1
### Description
When User selects only the first part of a hyperlink and tries to change the link, the entire paragraph becomes a link.

### Steps to Reproduce
1. Open [RTE](https://uui.epam.com/documents?id=richTextEditor&mode=doc&isSkin=null&category=components).
2. Make any word a hyperlink.
3. Select only the first part of the created hyperlink.
4. Change the link to a new one.

### Actual result
The entire paragraph becomes a link.

https://github.com/epam/UUI/assets/57751283/df7c6bda-5969-4b7f-b25d-2dc5c6a4b4ec

### Expected result
Only the original hyperlink remains a link.

## Environment
* UUI version: 5.6.0
* Browser name: Safari
* Operating System: MacOS

## Case 2
### Description
When copying text containing links from Word, the link style differs from the standard

### Steps to Reproduce
1. Open [RTE](https://uui.epam.com/documents?id=richTextEditor&mode=doc&isSkin=null&category=components).
2. Copy text containing links from Word.
3. Paste the text in the RTE.

### Actual result
The link style differs in Chrome and Safari

### Expected result
The links should be blue and underlined.

## Environment
* UUI version: 5.8.1
* Browser name: Safari
* Operating System: MacOS