Find and replace NG with Chinese(zh_CN) character replaces extra characters
<!-- See our full bug reporting guidelines at https://inkscape.org/contribute/report-bugs/ Writing a good bug report will ensure we'll be able to help efficiently. 🙂 --> #### Summary: <!-- Summarize the issue/suggestion concisely: --> The Chinese(zh_CN) characters can not be replaced Correctly, English Ok. If "find&replace" run with only one character, it's ok; But, if run with 3 or more characters, it's NG. (I can replace only one Chinese(zh_CN) character) #### Steps to reproduce: <!-- Describe what you did (step-by-step) so we can reproduce: --> - open Inkscape - Input 6 Chinese(zh_CN) characters and 3 English words in one line, set the Chinese(zh_CN) characters with chinese Font(ie. noto sans cjk SC), set the 3 English words with English Font. - open find&replace(ctrl+F) - input 3 Chinese(zh_CN) characters in the "find" input box. - input "666" in the "replace" input box. - click the "Find" button.It will tips "1 object found". - click the "Replace All" button. #### What happened? All the 6 Chinese(zh_CN) characters were replaced with "666", not the 3 characters entered before. #### What should have happened? Only the 3 characters entered before were replaced. Sample attachments: <!-- Attach the sample file(s) highlighting the issue, if appropriate. --> #### Version Info: ``` - Inkscape Version: 1.0(4035a4fb49, 2020-05-01) - Operating System: Debian Stretch - Operating System version: Debian Stretch 9.12 / Gnome ``` <!-- ❤️ Thank you for filling in a new bug report, we appreciate the help! ❤️ Please be patient while we try to find the time to look into your issue. Remember that Inkscape is developed by volunteers in their spare time, we'll try our best to respond to all reports. --> <!-- Please be careful when/after writing # for example in logs, code, or versions of linux - use inline code span - single backticks (`) before and after it, like this - `inbox#1618` - use multi-line code block - triple backticks (```) to fence/enclose console logs - attach long logs as a text file. -->
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