EGO-L-003 warning

signals connected by extension should be disconnected in disable()

Signals assigned in `enable()` are missing matching disconnect calls in `disable()` or its helper methods.

Disconnect all signals

• extension.js:286

          this._interfaceSignalId = this._interfaceSettings.connect(
              `changed::${COLOR_SCHEME_KEY}`, () => this._updatePanelIcon()
          )

• extension.js:297

          this._menuOpenSignalId = this.menu.connect('open-state-changed', (menu, isOpen) => {
              if (isOpen)
                  this._refreshAll();
          })

• extension.js:281

              this._panelIconSignalId = this._settings.connect(
                  'changed::panel-icon-name', () => this._updatePanelIcon()
              )

• extension.js:278

              this._showTopBarSignalId = this._settings.connect(
                  'changed::show-top-bar-icon', () => this._updateTopBarVisibility()
              )