Fix skip_layer for RF-Next

[lzyhha]

Motivation

RF-Next(TPAMI2022) has been merged in PR.
But when I apply RF-Next to mmsegmentation, I found that some codes should be revised.
Current code will skip a layer when the config.search.skip_layer includes one of the subnames of this layer,
rather than the full name.

For example, if I want to skip a layer named layer.0.conv during searching, I should add layer / 0 / conv to config.search.skip_layer. However, this will cause other layers to be incorrectly skipped, e.g., layer.1.conv.
So the codes should be revised to to judge whether a layer should be skipped according to its full name.

Modification

Determine whether a layer should be skipped according to the full_name.

if any(layer in fullname for layer in self.config['search']['skip_layer']): continue

Checklist

Before PR:

• I have read and followed the workflow indicated in the CONTRIBUTING.md to create this PR.
• Pre-commit or linting tools indicated in CONTRIBUTING.md are used to fix the potential lint issues.
• Bug fixes are covered by unit tests, the case that causes the bug should be added in the unit tests.
• New functionalities are covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• The documentation has been modified accordingly, including docstring or example tutorials.

After PR:

• If the modification has potential influence on downstream or other related projects, this PR should be tested with some of those projects, like MMDet or MMCls.
• CLA has been signed and all committers have signed the CLA in this PR.

[zhouzaida]

Hi @lzyhha , thanks for your contribution. Could you update unit tests for this modification?

[lzyhha]

OK, I will add the corresponding tests ASAP.
After this PR is merge, I will create a new PR in mmsegmentation.

[lzyhha]

I have update the unit tests. But there are some problems with pip.

[zhouzaida]

I have update the unit tests. But there are some problems with pip.

This error can be ignored.

[lzyhha]

The new PR in mmseg.

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