Remove commit button loader and update title while committing.

app/assets/javascripts/merge_conflict_data_provider.js.es6

@@ -239,6 +239,13 @@ class MergeConflictDataProvider {
 
   isAllResolved() {
     return !this.vueInstance.isSubmitting && this.getConflictsCount() === this.getResolvedCount();
+
+  getCommitButtonText() {
+    const initial = 'Commit conflict resolution';
+    const inProgress = 'Committing...';
+    const vue = this.vueInstance;
+
+    return vue ? vue.isSubmitting ? inProgress : initial : initial;
   }
 
 

app/assets/javascripts/merge_conflict_resolver.js.es6

@@ -37,7 +37,8 @@ class MergeConflictResolver {
     return {
       conflictsCount() { return dp.getConflictsCount() },
       resolvedCount() { return dp.getResolvedCount() },
-      allResolved()    { return dp.isAllResolved() }
+      readyToCommit() { return dp.isReadyToCommit() },
+      commitButtonText() { return dp.getCommitButtonText() }
     }
   }
 

app/views/projects/merge_requests/conflicts/_submit_form.html.haml

@@ -10,7 +10,7 @@
       {{{conflictsData.commitMessage}}}
 
   %button{type: "button", class: "btn btn-success js-submit-button", ":disabled" => "!allResolved", "@click" => "commit()"}
-    %span Commit conflict resolution
     %a.fa.fa-spin.fa-spinner{":class" => "{'hidden': !isSubmitting}"}
+    %span {{commitButtonText}}
 
   = link_to "Cancel", namespace_project_merge_request_path(@merge_request.project.namespace, @merge_request.project, @merge_request), class: "btn btn-cancel"