[FEATURE] Add some space between branch lines

[chepo92]

1. Background

Lines are superposing or too close

2. Proposed Solution

Add some space between lines, and render lines making the turns before and after, using better the available space and leaving slack space

3. Affected Area

Check all that apply.

• Commit graph (Graph View)
• Commit details panel (Bottom Panel)
• Sidebar (Branches / Remotes / Tags / Stashes / Worktrees)
• Toolbar (Fetch / Pull / Push / Refresh)
• Context menu
• Search
• Statistics view (Stats)
• Activity Log
• i18n (localization)
• Git operations (new Git command support)
• Other

4. Alternatives or References

5. Additional Context (optional)

Add any mockups, screenshots, or other relevant materials.