Fix needless_range_loop suggests wrongly for nested index

[profetia]

Closes #11529
Closes #16631
Closes #15560
Closes #16344

This PR addresses two problems of needless_range_loop:

1. It suggests wrongly when the index is after other indexes or field accesses.
2. When the index is nested, it does not specify which index to replace, making it confusing.

changelog: [needless_range_loop] fix wrong suggestions for nested index

[rustbot]

r? @Jarcho

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[github-actions]

Lintcheck changes for 8fcade6

Lint	Added	Removed	Changed
clippy::needless_range_loop	5	0	5

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