Added method='post' to all HTML forms

app/soapbox/features/auth_login/components/login_form.js

@@ -17,7 +17,7 @@ class LoginForm extends ImmutablePureComponent {
     const { intl, isLoading, handleSubmit } = this.props;
 
     return (
-      <form className='simple_form new_user' onSubmit={handleSubmit}>
+      <form className='simple_form new_user' method='post' onSubmit={handleSubmit}>
         <fieldset disabled={isLoading}>
           <div className='fields-group'>
             <div className='input email optional user_email'>

app/soapbox/features/auth_login/components/otp_auth_form.js

@@ -54,7 +54,7 @@ class OtpAuthForm extends ImmutablePureComponent {
     const { code_error } = this.state;
 
     return (
-      <form className='simple_form new_user otp-auth' onSubmit={this.handleSubmit}>
+      <form className='simple_form new_user otp-auth' method='post' onSubmit={this.handleSubmit}>
         <fieldset disabled={this.state.isLoading}>
           <div className='fields-group'>
             <div className='input email optional user_email'>

app/soapbox/features/forms/index.js

@@ -146,7 +146,7 @@ export class SimpleForm extends ImmutablePureComponent {
   render() {
     const { children, onSubmit, ...props } = this.props;
     return (
-      <form className='simple_form' onSubmit={this.onSubmit} {...props}>
+      <form className='simple_form' method='post' onSubmit={this.onSubmit} {...props}>
         {children}
       </form>
     );

app/soapbox/features/groups/create/index.js

@@ -75,7 +75,7 @@ class Create extends React.PureComponent {
     const { title, description, coverImage, disabled, intl } = this.props;
 
     return (
-      <form className='group-form' onSubmit={this.handleSubmit}>
+      <form className='group-form' method='post' onSubmit={this.handleSubmit}>
         <div>
           <input
             className='standard'

app/soapbox/features/groups/edit/index.js

@@ -105,7 +105,7 @@ class Edit extends React.PureComponent {
     }
 
     return (
-      <form className='group-form' onSubmit={this.handleSubmit}>
+      <form className='group-form' method='post' onSubmit={this.handleSubmit}>
         <div>
           <input
             className='standard'

app/soapbox/features/list_editor/components/edit_list_form.js

@@ -50,7 +50,7 @@ class ListForm extends React.PureComponent {
     const save = intl.formatMessage(messages.save);
 
     return (
-      <form className='column-inline-form' onSubmit={this.handleSubmit}>
+      <form className='column-inline-form' method='post' onSubmit={this.handleSubmit}>
         <input
           className='setting-text new-list-form__input'
           value={value}

app/soapbox/features/lists/components/new_list_form.js

@@ -53,7 +53,7 @@ class NewListForm extends React.PureComponent {
     const create = intl.formatMessage(messages.create);
 
     return (
-      <form className='column-inline-form' onSubmit={this.handleSubmit}>
+      <form className='column-inline-form' method='post' onSubmit={this.handleSubmit}>
         <label>
           <span style={{ display: 'none' }}>{label}</span>