Fix grammar in search empty-state copy ("explorer" -> "explore")

[Amir-yazdanmanesh]

What I've done

Fixes #2127

The Search screen's empty-results message contained a grammar error. The
feature_search_api_try_another_search string used "explorer" (a noun) where the
verb "explore" was intended. The sentence is assembled in EmptySearchResultBody
(SearchScreen.kt) as:

Try another search or explorer Interests to browse topics

This PR corrects it to:

Try another search or explore Interests to browse topics

Change

A single string-value edit in feature/search/api/src/main/res/values/strings.xml:

- <string name="feature_search_api_try_another_search">Try another search or explorer </string>                                           
+ <string name="feature_search_api_try_another_search">Try another search or explore </string>                                                             

The string resource name is unchanged, so no Kotlin call sites are affected.

Testing
                                                                                                                                                           
- SearchScreenTest builds its expected text from the same string resource, so it
continues to pass without modification.
- No committed screenshot golden images cover the search empty-state, so none
required re-recording.
- This is a user-facing copy fix only; there is no behavior change.

[gemini-code-assist]

Code Review

This pull request fixes a typo in the feature_search_api_try_another_search string resource, changing "explorer" to "explore". The reviewer pointed out that the string resource still contains a trailing space, which leads to a double space in the UI because the calling code already appends a space. A suggestion was made to remove the trailing space.

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[gemini-code-assist]

The string resource feature_search_api_try_another_search contains a trailing space. However, in SearchScreen.kt (line 233), an explicit space is already appended:

append(stringResource(id = searchR.string.feature_search_api_try_another_search))
append(" ")

This results in a double space in the rendered UI (i.e., Try another search or explore Interests). Removing the trailing space from the string resource resolves this issue and keeps the resource clean.

Suggested change

	<string name="feature_search_api_try_another_search">Try another search or explore </string>
	<string name="feature_search_api_try_another_search">Try another search or explore</string>