fixed double-space

Author: HTGAzureX1212

compiler/rustc_lint/messages.ftl

@@ -259,9 +259,9 @@ lint_identifier_uncommon_codepoints = identifier contains {$codepoints_len ->
     .note = {$codepoints_len ->
         [one] this character is
         *[other] these characters are
-    } included in the {$identifier_type ->
+    } included in the{$identifier_type ->
         [Restricted] {""}
-        *[other] {$identifier_type}
+        *[other] {" "}{$identifier_type}
     } Unicode general security profile
 
 lint_ignored_unless_crate_specified = {$level}({$name}) is ignored unless specified at crate level

tests/ui/lexer/lex-emoji-identifiers.stderr

@@ -46,7 +46,7 @@ warning: identifier contains an uncommon character: '\u{fe0f}'
 LL |     let key1️⃣ = "keycap sequence";
    |         ^^^^
    |
-   = note: this character is included in the  Unicode general security profile
+   = note: this character is included in the Unicode general security profile
    = note: `#[warn(uncommon_codepoints)]` on by default
 
 error: aborting due to 7 previous errors; 1 warning emitted

tests/ui/lint/rfc-2457-non-ascii-idents/lint-uncommon-codepoints.stderr

@@ -25,7 +25,7 @@ error: identifier contains uncommon characters: 'ㇻ', 'ㇲ', and 'ㇳ'
 LL |     let ㇻㇲㇳ = "rust";
    |         ^^^^^^
    |
-   = note: these characters are included in the  Unicode general security profile
+   = note: these characters are included in the Unicode general security profile
 
 warning: constant `µ` should have an upper case name
   --> $DIR/lint-uncommon-codepoints.rs:3:7