Rename "Version String Extraction" to "Trim Version String" for non-HTML Sources (#1723)

Rename Codeberg to Forgejo (#1722)

lib/app_sources/codeberg.dart

@@ -5,6 +5,7 @@ import 'package:obtainium/providers/source_provider.dart';
 class Codeberg extends AppSource {
   GitHub gh = GitHub();
   Codeberg() {
+    name = 'Forgejo (Codeberg)';
     hosts = ['codeberg.org'];
 
     additionalSourceAppSpecificSettingFormItems =

lib/app_sources/html.dart

@@ -93,6 +93,21 @@ bool _isNumeric(String s) {
 }
 
 class HTML extends AppSource {
+  @override
+  List<List<GeneratedFormItem>> get combinedAppSpecificSettingFormItems {
+    return super.combinedAppSpecificSettingFormItems.map((r) {
+      return r.map((e) {
+        if (e.key == 'versionExtractionRegEx') {
+          e.label = tr('versionExtractionRegEx');
+        }
+        if (e.key == 'matchGroupToUse') {
+          e.label = tr('matchGroupToUse');
+        }
+        return e;
+      }).toList();
+    }).toList();
+  }
+
   var finalStepFormitems = [
     [
       GeneratedFormTextField('customLinkFilterRegex',

lib/providers/source_provider.dart

@@ -493,13 +493,15 @@ abstract class AppSource {
     ],
     [
       GeneratedFormTextField('versionExtractionRegEx',
-          label: tr('versionExtractionRegEx'),
+          label: tr('trimVersionString'),
           required: false,
           additionalValidators: [(value) => regExValidator(value)]),
     ],
     [
       GeneratedFormTextField('matchGroupToUse',
-          label: tr('matchGroupToUse'), required: false, hint: '\$0')
+          label: tr('matchGroupToUseForX', args: [tr('trimVersionString')]),
+          required: false,
+          hint: '\$0')
     ],
     [
       GeneratedFormSwitch('versionDetection',