implement suggestions, update snapshots

crates/biome_css_analyze/src/lint/nursery/no_duplicate_at_import_rules.rs

@@ -116,11 +116,11 @@ impl Rule for NoDuplicateAtImportRules {
                 rule_category!(),
                 span,
                 markup! {
-                    "Duplicate @import rule."
+                    "Each "<Emphasis>"@import"</Emphasis>" should be unique unless differing by media queries."
                 },
             )
             .note(markup! {
-                    "To fix this issue, remove one of the duplicated imports."
+                    "Consider removing one of the duplicated imports."
             }),
         )
     }

crates/biome_css_analyze/tests/specs/nursery/noDuplicateAtImportRules/invalid.css.snap

@@ -14,15 +14,15 @@ expression: invalid.css
 ```
 invalid.css:3:2 lint/nursery/noDuplicateAtImportRules ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
-  ! Duplicate @import rule.
+  ! Each @import should be unique unless differing by media queries.
   
     1 │ @import "a.css";
     2 │ @import "b.css";
   > 3 │ @import "a.css";
       │  ^^^^^^^^^^^^^^^
     4 │ 
   
-  i To fix this issue, remove one of the duplicated imports.
+  i Consider removing one of the duplicated imports.
   
 
 ```

crates/biome_css_analyze/tests/specs/nursery/noDuplicateAtImportRules/invalidMedia.css.snap

@@ -14,15 +14,15 @@ expression: invalidMedia.css
 ```
 invalidMedia.css:3:2 lint/nursery/noDuplicateAtImportRules ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
-  ! Duplicate @import rule.
+  ! Each @import should be unique unless differing by media queries.
   
     1 │ @import url("a.css") tv;
     2 │ @import url("a.css") projection;
   > 3 │ @import "a.css";
       │  ^^^^^^^^^^^^^^^
     4 │ 
   
-  i To fix this issue, remove one of the duplicated imports.
+  i Consider removing one of the duplicated imports.
   
 
 ```

crates/biome_css_analyze/tests/specs/nursery/noDuplicateAtImportRules/invalidMultipleMedia.css.snap

@@ -14,15 +14,15 @@ expression: invalidMultipleMedia.css
 ```
 invalidMultipleMedia.css:3:2 lint/nursery/noDuplicateAtImportRules ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
-  ! Duplicate @import rule.
+  ! Each @import should be unique unless differing by media queries.
   
     1 │ @import url("a.css") tv, projection;
     2 │ @import url("a.css") mobile;
   > 3 │ @import url("a.css") tv;
       │  ^^^^^^^^^^^^^^^^^^^^^^^
     4 │ 
   
-  i To fix this issue, remove one of the duplicated imports.
+  i Consider removing one of the duplicated imports.
   
 
 ```

crates/biome_css_analyze/tests/specs/nursery/noDuplicateAtImportRules/invalidUrls.css.snap

@@ -13,14 +13,14 @@ expression: invalidUrls.css
 ```
 invalidUrls.css:2:2 lint/nursery/noDuplicateAtImportRules ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
-  ! Duplicate @import rule.
+  ! Each @import should be unique unless differing by media queries.
   
     1 │ @import url("c.css");
   > 2 │ @import url("c.css");
       │  ^^^^^^^^^^^^^^^^^^^^
     3 │ 
   
-  i To fix this issue, remove one of the duplicated imports.
+  i Consider removing one of the duplicated imports.
   
 
 ```