fix typed signature field

app/javascript/submission_form/initials_step.vue

@@ -8,7 +8,7 @@
         <span
           v-if="isDrawInitials"
           class="tooltip"
-          :data-tip="t('type_initials')"
+          :data-tip="t('type_initial')"
         >
           <a
             id="type_text_button"
@@ -231,7 +231,7 @@ export default {
       }
     },
     updateWrittenInitials (e) {
-      this.isInitialsStarted = true
+      this.isInitialsStarted = !!e.target.value
 
       const canvas = this.$refs.canvas
       const context = canvas.getContext('2d')

app/javascript/submission_form/signature_step.vue

@@ -112,7 +112,7 @@
       id="signature_text_input"
       ref="textInput"
       class="base-input !text-2xl w-full mt-6"
-      :required="field.required"
+      :required="field.required && !isSignatureStarted"
       :placeholder="`${t('type_signature_here')}...`"
       type="text"
       @input="updateWrittenSignature"
@@ -270,7 +270,7 @@ export default {
       }
     },
     updateWrittenSignature (e) {
-      this.isSignatureStarted = true
+      this.isSignatureStarted = !!e.target.value
 
       const canvas = this.$refs.canvas
       const context = canvas.getContext('2d')