HH-530: replace user-facing Chatwoot branding with GoChat (#117)

* fix(HH-530): replace user-facing Chatwoot branding

* fix(HH-530): close branding review blockers

* test(HH-530): cover update banner binding

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Co-authored-by: Rogee <rogee@ipao.vip>

frontend/app/javascript/shared/store/specs/globalConfig.spec.js

@@ -0,0 +1,17 @@
+import { getters } from '../globalConfig';
+
+describe('globalConfig branding getters', () => {
+  it('treats GoChat as the default branded installation', () => {
+    const state = { installationName: 'GoChat' };
+
+    expect(getters.isACustomBrandedInstance(state)).toBe(false);
+    expect(getters.isAChatwootInstance(state)).toBe(true);
+  });
+
+  it('recognizes a custom installation name', () => {
+    const state = { installationName: 'Acme Support' };
+
+    expect(getters.isACustomBrandedInstance(state)).toBe(true);
+    expect(getters.isAChatwootInstance(state)).toBe(false);
+  });
+});