Add Sort Name to Tags (#5531)

* override "name" sort with COALESCE
* tag sort_name frontend

adds `data-sort-name` attribute to tag links prioritizes sort_name value but will default to tag name if not present in the same way that COALESCE will prioritize the same values in the same way
* add sort_name filter, update locale per request

* Include sort name in anonymiser
* Add import/export support
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Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

pkg/models/jsonschema/tag.go

@@ -11,6 +11,7 @@ import (
 
 type Tag struct {
 	Name          string        `json:"name,omitempty"`
+	SortName      string        `json:"sort_name,omitempty"`
 	Description   string        `json:"description,omitempty"`
 	Favorite      bool          `json:"favorite,omitempty"`
 	Aliases       []string      `json:"aliases,omitempty"`

pkg/models/model_tag.go

@@ -8,6 +8,7 @@ import (
 type Tag struct {
 	ID            int       `json:"id"`
 	Name          string    `json:"name"`
+	SortName      string    `json:"sort_name"`
 	Favorite      bool      `json:"favorite"`
 	Description   string    `json:"description"`
 	IgnoreAutoTag bool      `json:"ignore_auto_tag"`
@@ -47,6 +48,7 @@ func (s *Tag) LoadChildIDs(ctx context.Context, l TagRelationLoader) error {
 
 type TagPartial struct {
 	Name          OptionalString
+	SortName      OptionalString
 	Description   OptionalString
 	Favorite      OptionalBool
 	IgnoreAutoTag OptionalBool

pkg/models/tag.go

@@ -4,6 +4,8 @@ type TagFilterType struct {
 	OperatorFilter[TagFilterType]
 	// Filter by tag name
 	Name *StringCriterionInput `json:"name"`
+	// Filter by tag sort_name
+	SortName *StringCriterionInput `json:"sort_name"`
 	// Filter by tag aliases
 	Aliases *StringCriterionInput `json:"aliases"`
 	// Filter by tag favorites