treewide: isCoercibleToString -> isMoreCoercibleToString

No change in behavior.

lib/strings.nix

@@ -810,7 +810,7 @@ rec {
   */
   isMoreCoercibleToString = x:
     elem (typeOf x) [ "path" "string" "null" "int" "float" "bool" ] ||
-    (isList x && lib.all isCoercibleToString x) ||
+    (isList x && lib.all isMoreCoercibleToString x) ||
     x ? outPath ||
     x ? __toString;
 

lib/types.nix

@@ -54,7 +54,7 @@ let
     concatStringsSep
     escapeNixString
     hasInfix
-    isCoercibleToString
+    isMoreCoercibleToString
     isSimpleCoercibleToString
     ;
   inherit (lib.trivial)
@@ -480,7 +480,7 @@ rec {
     path = mkOptionType {
       name = "path";
       descriptionClass = "noun";
-      check = x: isCoercibleToString x && builtins.substring 0 1 (toString x) == "/";
+      check = x: isMoreCoercibleToString x && builtins.substring 0 1 (toString x) == "/";
       merge = mergeEqualOption;
     };