Fix/show loading state when bottomline disabled

[artvi]

• PR Description

1. Fixes the issue with missing loading indicator when showBottom line is false.
2. Hides other info in the bottom line (except mode info). This change was discussed in:
   Show custom commands pending status in a popup #2258

NOTE: when showBottomLine is set to false, only status and mode information will appear in the info section. Options panel, which contains navigation tips, will be visible only with enabled bottom line

• Please check if the PR fulfills these requirements

• Cheatsheets are up-to-date (run go run scripts/cheatsheet/main.go generate)
• Code has been formatted (see here)
• Tests have been added/updated (see here for the integration test guide)
• Text is internationalised (see here)
• Docs (specifically docs/Config.md) have been updated if necessary
• You've read through your own file changes for silly mistakes etc

[jesseduffield]

Tested locally and it works great. Great work @artvi !