fix(MintTokensPanel): Update input fields validation

Closing: https://github.com/status-im/status-desktop/issues/9850
Password: 7 characters max, ascii printable characters
Name and description: ascii characters

ui/app/AppLayouts/Chat/views/communities/CommunityNewCollectibleView.qml

@@ -109,9 +109,10 @@ StatusScrollView {
             id: symbolInput
 
             label: qsTr("Token symbol")
-            charLimit: 5
+            charLimit: 7
             placeholderText: qsTr("Letter token abbreviation e.g. ABC")
             errorText: qsTr("Token symbol")
+            validator.regularExpression: Constants.regularExpressions.asciiPrintable
         }
 
         CustomLabelDescriptionComponent {
@@ -189,6 +190,7 @@ StatusScrollView {
         id: customInput
 
         property string errorText
+        property alias validator: regexValidator
 
         Layout.fillWidth: true
         validators: [
@@ -198,8 +200,9 @@ StatusScrollView {
                                                     customInput.errorText)
             },
             StatusRegularExpressionValidator {
-                regularExpression: Constants.regularExpressions.alphanumericalExpanded
-                errorMessage: Constants.errorMessages.alphanumericalExpandedRegExp
+                id: regexValidator
+                regularExpression: Constants.regularExpressions.ascii
+                errorMessage: Constants.errorMessages.asciiRegExp
             }
         ]
     }

ui/imports/utils/Constants.qml

@@ -580,10 +580,13 @@ QtObject {
 
     readonly property QtObject regularExpressions: QtObject {
         readonly property var alphanumericalExpanded: /^$|^[a-zA-Z0-9\-_ ]+$/
+        readonly property var asciiPrintable:         /^$|^[!-~]+$/
+        readonly property var ascii:                  /^$|^[\x00-\x7F]+$/
     }
 
     readonly property QtObject errorMessages: QtObject {
         readonly property string alphanumericalExpandedRegExp: qsTr("Only letters, numbers, underscores, whitespaces and hyphens allowed")
+        readonly property string asciiRegExp: qsTr("Only letters, numbers and ASII characters allowed")
     }
 
     readonly property QtObject socialLinkType: QtObject {