chore: update master with latests fixes and features from develop

Changes:

• feature: allow editing witness description field when the account is a witness
• feature: blockchain explorer added to the side panel
• fix: do not display community labels outside of the community
• fix: remove temporary error message when loading a post
• fix: rewards breakdown (NaN)
• fix: SP changed to HP on account popup
• fix: signup button prevented from wrapping
• docs: update contributor list and contribution rules
• chore: make alternative endpoint configurable with ENV variable
• chore: CI/CD workflow

src/app/components/elements/Voting.jsx

@@ -283,7 +283,7 @@ class Voting extends React.Component {
                 (votingDownActive ? ' votingDown' : '');
             // myVote === current vote
 
-            const invokeFlag = (
+            let dropdown = (
                 <a
                     href="#"
                     onClick={
@@ -309,17 +309,17 @@ class Voting extends React.Component {
                 </a>
             );
 
-            let dropdown = invokeFlag;
             if (enable_slider) {
                 dropdown = (
                     <Dropdown
-                        show={showWeight && showWeightDir == 'down'}
+                        show={showWeight && showWeightDir === 'down'}
                         onHide={() => this.setState({ showWeight: false })}
                         onShow={() => {
                             this.setState({ showWeight: true });
                             this.readSliderWeight();
+                            this.toggleWeightDown();
                         }}
-                        title={invokeFlag}
+                        title={down}
                         position={'right'}
                     >
                         <div className="Voting__adjust_weight_down">
@@ -350,6 +350,7 @@ class Voting extends React.Component {
                     </Dropdown>
                 );
             }
+
             downVote = (
                 <span className={classDown}>
                     {myVote === null || myVote === 0 ? dropdown : revokeFlag}