Description

When pressing <Tab> on non-list lines, the line will be broken apart, with the text immediately after the cursor getting split in two, with new shiftwidth whitespace separating the two halves; one after, and one before the cursor.

Steps to Reproduce

1. Type: This is a l|ine of text
2. Press Tab at cursor (|)
3. Spaces split the text incorrectly

Expected Behavior

Tab is inserted ahead of the cursor

Actual Behavior

Line breaks apart with spaces at incorrect positions

Environment

• Neovim version: v0.12.0-dev-1898+g5a1a92cc7a
• Plugin version: 05084a4
• OS: Linux

Additional Context

Related to: #192