Show password at Login and Register pages.

Thanks to xet7 !

Fixes #6070

client/components/users/passwordInput.js

@@ -0,0 +1,46 @@
+import { TAPi18n } from '/imports/i18n';
+
+Template.passwordInput.onRendered(function() {
+  const template = this;
+  const input = template.find('input.password-field');
+  const label = template.find('label');
+  
+  // Set the dynamic id and name based on the field _id
+  if (template.data && template.data._id) {
+    const fieldId = `at-field-${template.data._id}`;
+    input.id = fieldId;
+    input.name = fieldId;
+    label.setAttribute('for', fieldId);
+    
+    // Ensure the input starts as password type for password fields
+    input.type = 'password';
+    
+    // Initially hide the slash line since password starts hidden
+    const slashLine = template.find('.eye-slash-line');
+    if (slashLine) {
+      slashLine.style.display = 'none';
+    }
+  }
+});
+
+Template.passwordInput.events({
+  'click .password-toggle-btn'(event, template) {
+    event.preventDefault();
+    const input = template.find('input.password-field');
+    const slashLine = template.find('.eye-slash-line');
+    
+    if (input.type === 'password') {
+      input.type = 'text';
+      // Show the slash line when password is visible
+      if (slashLine) {
+        slashLine.style.display = 'block';
+      }
+    } else {
+      input.type = 'password';
+      // Hide the slash line when password is hidden
+      if (slashLine) {
+        slashLine.style.display = 'none';
+      }
+    }
+  },
+});